Solar Scope Modifications

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Daystar Quarks

Last post by marktownley « Thu May 28, 2020 6:27 am
Replies: 3
by AndiesHandyHandies » Tue May 26, 2020 9:04 am

3 Replies

76 Views

Last post by marktownley
Thu May 28, 2020 6:27 am
CaK Herschel wedge mod details

Last post by krakatoa1883 « Mon May 25, 2020 6:32 pm
Replies: 6
by thesmiths » Sun Nov 09, 2014 3:28 am

6 Replies

2106 Views

Last post by krakatoa1883
Mon May 25, 2020 6:32 pm
Santel M180 F10 Rumak Maksutov first light

Last post by AndiesHandyHandies « Sat May 23, 2020 9:09 am
Replies: 33
by AndiesHandyHandies » Sat Mar 07, 2020 12:14 am
1

2
Rating: 17.14%
33 Replies

15716 Views

Last post by AndiesHandyHandies
Sat May 23, 2020 9:09 am
Coronado PST Etalon tuning anti-slip bearing modification

Last post by Merlin66 « Thu May 21, 2020 5:46 am
Replies: 18
by Rusted » Sun Mar 29, 2020 6:59 am

18 Replies

3648 Views

Last post by Merlin66
Thu May 21, 2020 5:46 am
Motor driven helical focuser.

Last post by hopskipson « Tue May 19, 2020 1:11 pm
Replies: 3
by Rusted » Sun May 03, 2020 3:37 pm

Rating: 14.29%

3 Replies

253 Views

Last post by hopskipson
Tue May 19, 2020 1:11 pm
Helical to Feather Touch SMII

Last post by hopskipson « Mon May 18, 2020 10:44 pm
Replies: 19
by hopskipson » Thu May 07, 2020 12:25 pm

Rating: 20%

19 Replies

447 Views

Last post by hopskipson
Mon May 18, 2020 10:44 pm
100DS - Modified Quark using 2" 35nm ERF.

Last post by AndiesHandyHandies « Fri May 08, 2020 4:38 pm
Replies: 9
by AndiesHandyHandies » Tue May 05, 2020 6:32 pm

Rating: 8.57%

9 Replies

430 Views

Last post by AndiesHandyHandies
Fri May 08, 2020 4:38 pm
H-Alpha Double-Refractor 120 / 135 / 150mm Aperture ?

Last post by Solar B « Sun May 03, 2020 8:47 pm
Replies: 35
by Solar-Cologne » Thu Nov 12, 2015 6:35 am
1

2
Rating: 14.29%
35 Replies

13260 Views

Last post by Solar B
Sun May 03, 2020 8:47 pm
Easy PST Module with ERF (non-destructive, no cutting of OTA, & no-black-box rebuild)

Last post by Rusted « Tue Apr 07, 2020 11:59 am
Replies: 89
by MalVeauX » Fri Sep 06, 2019 5:07 pm
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3

4
89 Replies

25693 Views

Last post by Rusted
Tue Apr 07, 2020 11:59 am
Removing barlow from Quark

Last post by AndiesHandyHandies « Mon Apr 06, 2020 9:12 am
Replies: 19
by sulcis2000 » Mon May 01, 2017 9:03 pm

19 Replies

12796 Views

Last post by AndiesHandyHandies
Mon Apr 06, 2020 9:12 am
Temperatures at focus of 6" f/10 H-a telescope:

Last post by AndiesHandyHandies « Sat Mar 28, 2020 8:59 am
Replies: 6
by Rusted » Thu Mar 26, 2020 2:32 pm

6 Replies

2209 Views

Last post by AndiesHandyHandies
Sat Mar 28, 2020 8:59 am
Two simultaneous pst etalon

Last post by Solar-Cologne « Sat Mar 28, 2020 4:01 am
Replies: 11
by marktownley » Thu Mar 12, 2020 6:33 am

11 Replies

5897 Views

Last post by Solar-Cologne
Sat Mar 28, 2020 4:01 am
Optimum BF for 6" f/10 with PST etalon and ASI174?

Last post by Rusted « Mon Mar 23, 2020 6:53 pm
Replies: 35
by Rusted » Sun Mar 01, 2020 10:57 am
1

2
35 Replies

12960 Views

Last post by Rusted
Mon Mar 23, 2020 6:53 pm
What can be done with a PST double stack?

Last post by daslolo « Sat Mar 21, 2020 1:02 am
Replies: 10
by daslolo » Wed Mar 11, 2020 7:43 am

10 Replies

5478 Views

Last post by daslolo
Sat Mar 21, 2020 1:02 am
F/A Merlin. ERF Transmissions

Last post by AndiesHandyHandies « Wed Mar 18, 2020 11:43 am
Replies: 2
by AndiesHandyHandies » Tue Mar 17, 2020 8:49 pm

2 Replies

2406 Views

Last post by AndiesHandyHandies
Wed Mar 18, 2020 11:43 am
What is the cheapest mod to view details of the sun up close?

Last post by daslolo « Thu Mar 12, 2020 9:20 am
Replies: 20
by daslolo » Sun Feb 16, 2020 9:31 pm

Rating: 2.86%

20 Replies

11223 Views

Last post by daslolo
Thu Mar 12, 2020 9:20 am
$200 Lunt LS50 w/ 2''Baader Steeltrack focuser mod.

Last post by daslolo « Fri Mar 06, 2020 1:23 am
Replies: 3
by soulvagabond » Sat Jul 15, 2017 9:55 am

3 Replies

6273 Views

Last post by daslolo
Fri Mar 06, 2020 1:23 am
$70 filter tester

Last post by daslolo « Fri Mar 06, 2020 1:08 am
Replies: 3
by daslolo » Thu Feb 27, 2020 7:27 am

3 Replies

5228 Views

Last post by daslolo
Fri Mar 06, 2020 1:08 am
Using a laser power meter with thermopile sensor to check ERF filters

Last post by Rusted « Sun Mar 01, 2020 1:01 pm
Replies: 57
by etatsolarchat » Tue Feb 26, 2013 5:17 am
1

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3
57 Replies

14710 Views

Last post by Rusted
Sun Mar 01, 2020 1:01 pm
150mm/Lunt35/Coronado BF15 mod

Last post by daslolo « Thu Feb 27, 2020 3:22 am
Replies: 48
by Carbon60 » Fri Apr 25, 2014 6:18 am
1

2
48 Replies

18133 Views

Last post by daslolo
Thu Feb 27, 2020 3:22 am
PST Black Box Mods

Last post by daslolo « Sun Feb 23, 2020 9:51 pm
Replies: 7
by AndiesHandyHandies » Fri May 24, 2019 11:06 pm

7 Replies

4702 Views

Last post by daslolo
Sun Feb 23, 2020 9:51 pm
PST conversion?

Last post by marktownley « Sun Feb 23, 2020 10:23 am
Replies: 8
by garymck » Sun Dec 29, 2019 8:11 am

8 Replies

5016 Views

Last post by marktownley
Sun Feb 23, 2020 10:23 am
PST mod 2 for dummies

Last post by daslolo « Sat Feb 22, 2020 11:05 am
Replies: 3
by daslolo » Wed Feb 19, 2020 12:23 am

3 Replies

3719 Views

Last post by daslolo
Sat Feb 22, 2020 11:05 am
Is a C8 and a PST mod really usable?

Last post by daslolo « Thu Feb 20, 2020 9:33 am
Replies: 20
by langleif2 » Sun Aug 18, 2019 9:21 am

20 Replies

7209 Views

Last post by daslolo
Thu Feb 20, 2020 9:33 am
Lunt LS35 mod? Is this a crazy idea? Is it crazy enough to work?

Last post by daslolo « Mon Feb 17, 2020 2:20 am
Replies: 22
by michael.h.f.wilkinson » Mon Feb 11, 2013 12:50 pm

22 Replies

6605 Views

Last post by daslolo
Mon Feb 17, 2020 2:20 am
Coronado/Lunt hybrid?

Last post by hopskipson « Thu Feb 13, 2020 10:49 pm
Replies: 4
by hopskipson » Thu Feb 13, 2020 2:55 am

4 Replies

4512 Views

Last post by hopskipson
Thu Feb 13, 2020 10:49 pm
Newtonian vs SCT thermal handling with full aperture D-ERF

Last post by LTHB « Mon Feb 03, 2020 9:11 pm
Replies: 25
by MalVeauX » Wed Jan 29, 2020 3:21 pm
1

2
25 Replies

8119 Views

Last post by LTHB
Mon Feb 03, 2020 9:11 pm
Pst stage 1 mod, focus

Last post by MalVeauX « Fri Jan 31, 2020 5:31 pm
Replies: 1
by Sol seeker uk » Fri Jan 31, 2020 5:28 pm

1 Replies

3175 Views

Last post by MalVeauX
Fri Jan 31, 2020 5:31 pm
Baader 1.25x GPC with PST Mod, How to Mount the GPC?

Last post by MalVeauX « Sun Jan 19, 2020 8:57 pm
Replies: 12
by MalVeauX » Sat Jan 18, 2020 2:10 am

12 Replies

4349 Views

Last post by MalVeauX
Sun Jan 19, 2020 8:57 pm
PST modification - idiots guide

Last post by AndiesHandyHandies « Fri Jan 17, 2020 9:34 am
Replies: 38
by Montana » Tue Sep 24, 2019 11:15 am
1

2
38 Replies

9947 Views

Last post by AndiesHandyHandies
Fri Jan 17, 2020 9:34 am
How close to F10 must a PST mod truly be?

Last post by Merlin66 « Thu Jan 16, 2020 9:37 pm
Replies: 14
by MalVeauX » Fri Jan 10, 2020 8:23 pm

14 Replies

4831 Views

Last post by Merlin66
Thu Jan 16, 2020 9:37 pm
Motorized Etalon Tuners

Last post by Rusted « Wed Jan 15, 2020 8:46 am
Replies: 13
by Martin_S » Sat Nov 16, 2019 8:01 pm

13 Replies

4955 Views

Last post by Rusted
Wed Jan 15, 2020 8:46 am
No adapters, no tube cutting: the easiest 80mm "stage 1" Lunt LS50 mod possible!

Last post by marktownley « Mon Jan 13, 2020 2:32 pm
Replies: 5
by Roel80 » Mon Dec 23, 2019 2:38 pm

5 Replies

3901 Views

Last post by marktownley
Mon Jan 13, 2020 2:32 pm
Is this possible?

Last post by antonello « Mon Jan 13, 2020 6:57 am
Replies: 2
by hopskipson » Sat Jan 11, 2020 9:00 pm

2 Replies

3268 Views

Last post by antonello
Mon Jan 13, 2020 6:57 am
A 6" f/8 PST mod? Are we kidding ourselves?

Last post by Rusted « Fri Dec 27, 2019 9:41 am
Replies: 30
by Rusted » Sat Oct 19, 2019 11:51 am
1

2
30 Replies

6098 Views

Last post by Rusted
Fri Dec 27, 2019 9:41 am
SH Quark Chromosphere

Last post by marktownley « Wed Dec 25, 2019 2:11 pm
Replies: 3
by AndiesHandyHandies » Tue Dec 24, 2019 3:17 pm

3 Replies

1911 Views

Last post by marktownley
Wed Dec 25, 2019 2:11 pm
Skywatcher DC Motor drive for PST etalon.

Last post by Rusted « Tue Dec 24, 2019 3:23 pm
Replies: 29
by Rusted » Mon Nov 18, 2019 3:41 pm
1

2
29 Replies

5002 Views

Last post by Rusted
Tue Dec 24, 2019 3:23 pm
Convert my William Optics ZS80IIED

Last post by marktownley « Sat Dec 21, 2019 9:30 pm
Replies: 9
by p1taylor » Sun Dec 15, 2019 6:18 pm

9 Replies

2191 Views

Last post by marktownley
Sat Dec 21, 2019 9:30 pm
12" White light Newtonian

Last post by christian viladrich « Fri Dec 20, 2019 10:59 am
Replies: 7
by AndiesHandyHandies » Thu Oct 24, 2019 8:09 am

7 Replies

2354 Views

Last post by christian viladrich
Fri Dec 20, 2019 10:59 am
How to internally mount an ERF?

Last post by Rusted « Tue Dec 17, 2019 12:09 pm
Replies: 1
by Roel80 » Tue Dec 17, 2019 11:56 am

1 Replies

1552 Views

Last post by Rusted
Tue Dec 17, 2019 12:09 pm
D-ERF in converging beam?

Last post by Rusted « Mon Dec 16, 2019 7:51 am
Replies: 26
by Rusted » Tue Dec 10, 2019 1:58 pm
1

2
26 Replies

4668 Views

Last post by Rusted
Mon Dec 16, 2019 7:51 am
"Magic" distance of Lunt LS50PT etalon from focal plane?

Last post by Roel80 « Tue Dec 10, 2019 2:59 pm
Replies: 15
by Roel80 » Sat Nov 23, 2019 8:45 am

15 Replies

2966 Views

Last post by Roel80
Tue Dec 10, 2019 2:59 pm
Vixen VMC110 PST mod

Last post by marktownley « Tue Dec 03, 2019 7:36 pm
Replies: 22
by AndiesHandyHandies » Wed May 22, 2019 7:19 am

22 Replies

4215 Views

Last post by marktownley
Tue Dec 03, 2019 7:36 pm
Took my Lunt LS50T apart to measure stuff - interesting results...

Last post by Roel80 « Mon Dec 02, 2019 10:56 am
Replies: 12
by Roel80 » Sun Nov 24, 2019 4:39 pm

12 Replies

2406 Views

Last post by Roel80
Mon Dec 02, 2019 10:56 am
Removal of lunt erf double stack possible?

Last post by Bob Yoesle « Fri Nov 22, 2019 2:40 pm
Replies: 3
by Stardust5858 » Tue Oct 29, 2019 12:01 pm

3 Replies

2144 Views

Last post by Bob Yoesle
Fri Nov 22, 2019 2:40 pm
Upgrade to the Vegemite etalon tuner

Last post by Rusted « Sun Nov 17, 2019 3:16 pm
Replies: 7
by Merlin66 » Sat Nov 16, 2019 12:19 am

7 Replies

1912 Views

Last post by Rusted
Sun Nov 17, 2019 3:16 pm
PST mod on a C14

Last post by mdwmark « Fri Nov 15, 2019 5:38 am
Replies: 11
by oli14 » Sun Nov 03, 2019 7:33 pm

11 Replies

2846 Views

Last post by mdwmark
Fri Nov 15, 2019 5:38 am
Common relectors for H-a?

Last post by Rusted « Sun Nov 03, 2019 12:07 pm
Replies: 2
by Rusted » Sun Nov 03, 2019 7:12 am

2 Replies

1700 Views

Last post by Rusted
Sun Nov 03, 2019 12:07 pm
Double stack with a Quark

Last post by hopskipson « Thu Oct 24, 2019 2:12 am
Replies: 3
by hopskipson » Tue Jul 09, 2019 9:52 pm

3 Replies

2064 Views

Last post by hopskipson
Thu Oct 24, 2019 2:12 am
127mm Meade Triplet Mod

Last post by AndiesHandyHandies « Sat Oct 19, 2019 8:34 am
Replies: 14
by AndiesHandyHandies » Tue May 21, 2019 10:10 pm

14 Replies

3157 Views

Last post by AndiesHandyHandies
Sat Oct 19, 2019 8:34 am
DIY Solar Wedge ND3.0 alternatives for Imaging only

Last post by Merlin66 « Sat Oct 12, 2019 5:35 am
Replies: 15
by Martin_S » Tue May 21, 2019 9:40 pm

15 Replies

3356 Views

Last post by Merlin66
Sat Oct 12, 2019 5:35 am
Solar mod using a double stack etalon?

Last post by hopskipson « Sun Oct 06, 2019 8:19 pm
Replies: 18
by hopskipson » Sun Sep 29, 2019 4:13 am

18 Replies

3038 Views

Last post by hopskipson
Sun Oct 06, 2019 8:19 pm
A big solar newton for ultra narrowband imaging, possible?

Last post by langleif2 « Fri Sep 27, 2019 1:17 pm
Replies: 30
by allhoest » Sat Aug 31, 2019 8:44 pm
1

2
30 Replies

4667 Views

Last post by langleif2
Fri Sep 27, 2019 1:17 pm
New CaK filter assembly.

Last post by langleif2 « Thu Sep 26, 2019 5:42 am
Replies: 5
by Merlin66 » Wed Sep 18, 2019 4:27 am

5 Replies

1933 Views

Last post by langleif2
Thu Sep 26, 2019 5:42 am
Budget scope for visual

Last post by allhoest « Wed Sep 25, 2019 4:52 pm
Replies: 18
by gradoj » Mon Sep 09, 2019 12:43 am

18 Replies

3026 Views

Last post by allhoest
Wed Sep 25, 2019 4:52 pm
Lunt CaK PST #1 follow up

Last post by george9 « Mon Sep 23, 2019 12:54 am

by george9 » Mon Sep 23, 2019 12:54 am

0 Replies

7894 Views

Last post by george9
Mon Sep 23, 2019 12:54 am
Planning my first PST mod and need some help

Last post by solarchatted « Wed Sep 18, 2019 10:28 am
Replies: 84
by solarchatted » Tue Apr 09, 2019 2:56 pm
1

2

3

4
84 Replies

11893 Views

Last post by solarchatted
Wed Sep 18, 2019 10:28 am
Layout of filters in a CaK PST

Last post by Merlin66 « Mon Sep 09, 2019 6:33 am
Replies: 10
by Merlin66 » Thu Sep 05, 2019 1:56 am

10 Replies

2101 Views

Last post by Merlin66
Mon Sep 09, 2019 6:33 am
Removing mirror’s coating

Last post by marktownley « Sat Aug 31, 2019 3:17 am
Replies: 6
by allhoest » Wed Aug 28, 2019 6:44 pm

6 Replies

2000 Views

Last post by marktownley
Sat Aug 31, 2019 3:17 am
Blocking Filter In a Collimated Beam?

Last post by george9 « Wed Aug 21, 2019 10:43 pm
Replies: 10
by marktownley » Sat Aug 17, 2019 11:57 am

10 Replies

2746 Views

Last post by george9
Wed Aug 21, 2019 10:43 pm
PST Blocking Filter modification unit by AOKSwiss

Last post by Merlin66 « Sat Aug 17, 2019 7:02 am
Replies: 6
by nicosolcy » Wed Aug 14, 2019 10:53 am

6 Replies

1960 Views

Last post by Merlin66
Sat Aug 17, 2019 7:02 am
asi120mm-s DIY cooling

Last post by Bob Yoesle « Wed Jul 31, 2019 5:47 pm
Replies: 6
by Martin_S » Sat Jun 29, 2019 6:23 am

6 Replies

2290 Views

Last post by Bob Yoesle
Wed Jul 31, 2019 5:47 pm
90mm TS Triplet Mod

Last post by marktownley « Fri Jul 26, 2019 6:24 am
Replies: 1
by AndiesHandyHandies » Thu Jul 25, 2019 4:19 pm

1 Replies

1512 Views

Last post by marktownley
Fri Jul 26, 2019 6:24 am
PST control box replacement various versions

Last post by marktownley « Wed Jul 17, 2019 5:31 am
Replies: 13
by Astrophil » Sun Jun 30, 2019 2:12 am

13 Replies

3198 Views

Last post by marktownley
Wed Jul 17, 2019 5:31 am
I think I'm done modding..will I like the Quark?

Last post by Starry Jack « Tue Jul 16, 2019 1:31 pm
Replies: 4
by Starry Jack » Sun Jul 14, 2019 12:15 am

4 Replies

1790 Views

Last post by Starry Jack
Tue Jul 16, 2019 1:31 pm
ERF choice: new D-ERF vs. used C-ERF vs. other

Last post by marktownley « Thu Jul 11, 2019 6:15 am
Replies: 4
by bluecoast » Tue Jul 09, 2019 3:02 am

4 Replies

1914 Views

Last post by marktownley
Thu Jul 11, 2019 6:15 am
Look where I've placed my PST Mod Focus

Last post by Starry Jack « Wed Jul 10, 2019 1:03 pm
Replies: 2
by Starry Jack » Wed Jul 10, 2019 2:27 am

2 Replies

1648 Views

Last post by Starry Jack
Wed Jul 10, 2019 1:03 pm
Location of Gasspath

Last post by AndiesHandyHandies « Tue Jul 09, 2019 8:39 pm
Replies: 3
by Starry Jack » Sun Jul 07, 2019 2:00 pm

3 Replies

1701 Views

Last post by AndiesHandyHandies
Tue Jul 09, 2019 8:39 pm
10 improvements to my solar telescope set up

Last post by Carbon60 « Sat Jul 06, 2019 7:06 pm
Replies: 7
by danpro1 » Wed Jul 03, 2019 1:41 pm

7 Replies

2226 Views

Last post by Carbon60
Sat Jul 06, 2019 7:06 pm
PST 'Combat'

Last post by AndiesHandyHandies « Thu Jun 27, 2019 9:32 pm
Replies: 2
by AndiesHandyHandies » Tue Jun 11, 2019 10:13 pm

2 Replies

1785 Views

Last post by AndiesHandyHandies
Thu Jun 27, 2019 9:32 pm
Creative Solutions to the Problem of LARGE (8"+) ERF Cells

Last post by marktownley « Thu Jun 20, 2019 5:14 am
Replies: 9
by marktownley » Wed May 15, 2019 7:20 pm

9 Replies

2878 Views

Last post by marktownley
Thu Jun 20, 2019 5:14 am
Lenses for changing PST Focal Length

Last post by AndiesHandyHandies « Sun Jun 16, 2019 8:29 pm
Replies: 7
by AndiesHandyHandies » Mon May 07, 2018 8:58 am

7 Replies

3146 Views

Last post by AndiesHandyHandies
Sun Jun 16, 2019 8:29 pm
Improvements to your PST!

Last post by marktownley « Mon Jun 10, 2019 5:40 am
Replies: 6
by Merlin66 » Sun Sep 23, 2018 10:30 pm

6 Replies

2728 Views

Last post by marktownley
Mon Jun 10, 2019 5:40 am
Relation between BF size and the PST Sweet Spot

Last post by Starry Jack « Fri Jun 07, 2019 8:15 pm
Replies: 8
by Starry Jack » Thu Jun 06, 2019 2:30 pm

8 Replies

2382 Views

Last post by Starry Jack
Fri Jun 07, 2019 8:15 pm
How do I know my Stage 2 is 200mm?

Last post by Starry Jack « Thu Jun 06, 2019 2:23 pm
Replies: 5
by Starry Jack » Thu Jun 06, 2019 12:17 am

5 Replies

1842 Views

Last post by Starry Jack
Thu Jun 06, 2019 2:23 pm
remote focussing added to scope

Last post by Rusted « Sun Jun 02, 2019 3:47 pm
Replies: 4
by skyhawk » Tue Apr 02, 2019 12:15 pm

4 Replies

2003 Views

Last post by Rusted
Sun Jun 02, 2019 3:47 pm
PST,TALstage 1 mod

Last post by Sol seeker uk « Thu May 30, 2019 4:54 pm
Replies: 3
by Sol seeker uk » Thu May 23, 2019 7:11 pm

3 Replies

1927 Views

Last post by Sol seeker uk
Thu May 30, 2019 4:54 pm
Improving 1 angstrom Stage 1 to .5 angstrom

Last post by Starry Jack « Mon May 27, 2019 1:17 pm
Replies: 6
by Starry Jack » Sun May 26, 2019 1:25 pm

6 Replies

1920 Views

Last post by Starry Jack
Mon May 27, 2019 1:17 pm
PST Stage 1 + AR152, AR102, 72ED etc. next steps ...

Last post by solarchatted « Sun May 26, 2019 3:59 pm
Replies: 13
by solarchatted » Wed May 08, 2019 12:02 pm

13 Replies

2879 Views

Last post by solarchatted
Sun May 26, 2019 3:59 pm
150 mm Solar Newton

Last post by bart1805 « Wed May 22, 2019 8:31 pm
Replies: 50
by bart1805 » Fri Mar 15, 2019 3:36 pm
1

2

3
50 Replies

7590 Views

Last post by bart1805
Wed May 22, 2019 8:31 pm
Tracking the sun MY way :)

Last post by MapleRidge « Tue May 21, 2019 12:33 am
Replies: 2
by skyhawk » Sat May 18, 2019 2:14 pm

2 Replies

1822 Views

Last post by MapleRidge
Tue May 21, 2019 12:33 am
Removing new Mods

Last post by marktownley « Sun May 19, 2019 9:34 am
Replies: 23
by AndiesHandyHandies » Thu May 09, 2019 12:24 pm

23 Replies

4020 Views

Last post by marktownley
Sun May 19, 2019 9:34 am
C11 ERF-Concept

Last post by marktownley « Sun May 19, 2019 7:36 am
Replies: 15
by Okay-1 » Fri Mar 09, 2018 8:40 pm

15 Replies

4237 Views

Last post by marktownley
Sun May 19, 2019 7:36 am
Removed

Last post by marktownley « Sat May 18, 2019 10:53 am
Replies: 1
by AndiesHandyHandies » Fri May 17, 2019 9:31 pm

1 Replies

1584 Views

Last post by marktownley
Sat May 18, 2019 10:53 am
PST Mod Reflections back off the Blocking Filter

Last post by KingKong852 « Sat May 18, 2019 6:46 am
Replies: 17
by AndiesHandyHandies » Wed Mar 06, 2019 6:38 pm

17 Replies

3560 Views

Last post by KingKong852
Sat May 18, 2019 6:46 am
Any interest in this part? LS50C modkit

Last post by marktownley « Tue May 14, 2019 4:23 am
Replies: 15
by MalVeauX » Sun Oct 28, 2018 8:32 pm

15 Replies

5091 Views

Last post by marktownley
Tue May 14, 2019 4:23 am
I am modding a scope mount to more easily follow NOT track........ follow the Sun when viewing, but I have hit a snag.

Last post by marktownley « Sun May 12, 2019 3:34 pm
Replies: 1
by skyhawk » Sat May 11, 2019 3:57 pm

1 Replies

1602 Views

Last post by marktownley
Sun May 12, 2019 3:34 pm
Options for high resolution?

Last post by Dennis « Fri May 10, 2019 5:12 pm
Replies: 18
by Helen » Tue Apr 30, 2019 6:38 pm

18 Replies

3378 Views

Last post by Dennis
Fri May 10, 2019 5:12 pm
PST mod options and questions

Last post by AndiesHandyHandies « Tue May 07, 2019 12:55 pm
Replies: 3
by MalVeauX » Sun Mar 17, 2019 11:24 pm

3 Replies

1964 Views

Last post by AndiesHandyHandies
Tue May 07, 2019 12:55 pm
help with stuck threads

Last post by MapleRidge « Tue May 07, 2019 1:24 am
Replies: 11
by MapleRidge » Thu Apr 25, 2019 2:21 am

11 Replies

2561 Views

Last post by MapleRidge
Tue May 07, 2019 1:24 am
Skywatcher AZ Motor Mod

Last post by marktownley « Sun May 05, 2019 11:16 am
Replies: 1
by skyhawk » Sun May 05, 2019 10:29 am

1 Replies

1543 Views

Last post by marktownley
Sun May 05, 2019 11:16 am
PST Etalon with a Quark, Log & Results

Last post by MalVeauX « Sun Apr 21, 2019 8:01 pm
Replies: 115
by MalVeauX » Thu Dec 13, 2018 9:41 pm
1

2

3

4

5
115 Replies

17874 Views

Last post by MalVeauX
Sun Apr 21, 2019 8:01 pm
Esprit 120 Focuser Mod

Last post by MapleRidge « Thu Apr 18, 2019 11:17 pm
Replies: 2
by skyhawk » Thu Apr 18, 2019 5:47 pm

2 Replies

1721 Views

Last post by MapleRidge
Thu Apr 18, 2019 11:17 pm
Getting better...Sunspot with 152mm PST Stage 1

Last post by Starry Jack « Wed Apr 17, 2019 1:00 pm
Replies: 4
by Starry Jack » Thu Apr 11, 2019 4:31 am

4 Replies

1998 Views

Last post by Starry Jack
Wed Apr 17, 2019 1:00 pm
Tilt needed on a front ERF?

Last post by Bob Yoesle « Sat Apr 13, 2019 1:11 am
Replies: 2
by AndiesHandyHandies » Fri Apr 12, 2019 3:59 pm

2 Replies

1843 Views

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by bart1805 » Wed Apr 10, 2019 9:46 pm

0 Replies

8123 Views

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Crazy Idea...?

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4 Replies

1987 Views

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9 Replies

2594 Views

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Need to add remote focus to your scope

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3 Replies

1780 Views

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6 Replies

3333 Views

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13 Replies

2932 Views

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lunt 50 mod

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by DSobserver » Sun Apr 09, 2017 2:52 pm
1

2
35 Replies

11242 Views

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1

2
25 Replies

5209 Views

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Love my Val ERF

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9 Replies

2621 Views

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PST + DSLR Full disk problem ... AMENDED

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12 Replies

2676 Views

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Low cost DIY Camera Tilt Adaptor

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4 Replies

1999 Views

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Beloptik ha system

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3 Replies

2020 Views

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Pst mod

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by Sol seeker uk » Sun Feb 17, 2019 7:43 pm

0 Replies

8093 Views

Last post by Sol seeker uk
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Replies: 7
by bart1805 » Thu Jan 24, 2019 6:46 pm

7 Replies

2415 Views

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Adapter for doublestacking PST etalons

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by bart1805 » Fri Jan 18, 2019 1:25 pm

15 Replies

3888 Views

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Collimator for Omega Bobs Filters

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7 Replies

2277 Views

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20 Replies

6253 Views

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Baader 35nm as ERF

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2 Replies

1931 Views

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by george9 » Mon Dec 24, 2018 1:13 am

17 Replies

4131 Views

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Best current set up

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by george9 » Sun Dec 16, 2018 5:03 am

7 Replies

2593 Views

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by Okay-1 » Fri Dec 07, 2018 3:19 am

0 Replies

8270 Views

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Dismantling and modification of a PST CaK

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Replies: 29
by bart1805 » Sat Oct 13, 2018 11:54 am
1

2
29 Replies

6895 Views

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Tue Dec 04, 2018 9:50 pm
Re: The Double pass idea...

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Replies: 13
by p_zetner » Thu Aug 16, 2018 10:03 pm

13 Replies

4843 Views

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Orange coated PST pentaprism

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Replies: 1
by bart1805 » Sun Nov 25, 2018 10:36 pm

1 Replies

1778 Views

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optical contact experiments? Anybody?

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by LTHB » Mon Nov 19, 2018 9:44 pm

4 Replies

2531 Views

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by Starry Jack » Thu Nov 08, 2018 1:53 am

12 Replies

3333 Views

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Fri Nov 16, 2018 6:29 pm
Lunt CaK B1200 + PST #1 yellow

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Replies: 6
by george9 » Mon Oct 01, 2018 12:02 am

6 Replies

2737 Views

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Tue Nov 13, 2018 6:13 pm
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Replies: 1
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1 Replies

1737 Views

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Pst Cak filter secret -

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10 Replies

3636 Views

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Narrowest 393.37 ever by Apollo Lasky

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Replies: 117
by Valery » Thu Jun 21, 2018 1:18 am
1

2

3

4

5
117 Replies

24627 Views

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Sun Nov 04, 2018 7:30 pm
My New BinChannel ERF

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13 Replies

3498 Views

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X-truder 2.0 -Baader Planetarium Quadrant!

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by marktownley » Mon Oct 29, 2018 9:44 am

0 Replies

8308 Views

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CAK eyepiece modification

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11 Replies

4377 Views

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How to double stack a Lunt CaK Module? And ERF?

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24 Replies

5406 Views

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PST CaK mod

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12 Replies

5509 Views

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152mm PST Stage 2 Mod has Begun

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by Starry Jack » Thu Oct 04, 2018 12:57 am

7 Replies

2815 Views

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Mersenne telescope design

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1 Replies

1959 Views

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PST Mods... but, why not a 40mm SolarMax Mod?

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Replies: 10
by MalVeauX » Sun Oct 07, 2018 6:33 pm

10 Replies

2889 Views

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New Lunt Mod

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Replies: 9
by MapleRidge » Fri Oct 05, 2018 4:47 pm

9 Replies

2857 Views

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⚠️ ⚠️ Chroma 1.25” filter cell thermal fracture

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Replies: 5
by MalVeauX » Thu Oct 04, 2018 9:52 am

5 Replies

2451 Views

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Fri Oct 05, 2018 6:30 pm
another PST stage 2 mod

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Replies: 34
by pedro » Mon Aug 13, 2018 8:16 pm
1

2
34 Replies

7018 Views

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Details of a telecentric lens for C8 Edge and Daystar filter

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10 Replies

3748 Views

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Blocking Filter DIY replacement

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2 Replies

2095 Views

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To Mod or not to Mod? To purchase or not to purchase?

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6 Replies

2275 Views

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by marktownley » Tue Mar 06, 2012 10:33 pm
1

…

4

5

6

7

8
176 Replies

18795 Views

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Coronado BF15 dies and resurected!

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9 Replies

3582 Views

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PST blocking filter specs.

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by Robert Henry 1355 » Wed Jan 25, 2017 11:19 pm
1

2
25 Replies

6684 Views

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Replacing the Rusted BF30 Filter

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by GeorgeIonas » Tue May 08, 2018 7:59 pm
1

2
49 Replies

9547 Views

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Calcium K-line doublepass by apollo lasky

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Replies: 1
by marktownley » Sun Sep 23, 2018 10:00 pm

1 Replies

2279 Views

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A different PST Mod

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by pedro » Fri Sep 14, 2018 10:20 pm

4 Replies

2500 Views

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Mon Sep 17, 2018 12:20 pm
Lacerta Wedge plus Lunt diagonal

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Replies: 4
by bart1805 » Tue Sep 04, 2018 9:30 pm

4 Replies

2235 Views

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Lunt LS50THa modification to 200 mm aperture

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Replies: 7
by GreatAttractor » Thu Sep 06, 2018 8:17 pm

7 Replies

3036 Views

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How I made my own Lunt mod

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by krakatoa1883 » Wed Aug 22, 2018 12:47 pm

15 Replies

3996 Views

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Thu Sep 06, 2018 10:18 am
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by MalVeauX » Wed Apr 11, 2018 4:59 pm
1

2
41 Replies

10803 Views

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Wed Aug 22, 2018 12:00 pm
Do you have a skybender?

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by MalVeauX » Thu May 10, 2018 4:27 pm

11 Replies

5086 Views

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Baader Telecentric - Lower flux in blue/CaK?

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by allhoest » Sun Jul 01, 2018 7:42 pm

4 Replies

2882 Views

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Tue Jul 03, 2018 7:14 pm
Can i use my EDGEHD800 for Ha?

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by Taipan » Wed Apr 25, 2018 5:58 pm

10 Replies

3593 Views

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Sun Jul 01, 2018 5:47 pm
PST stage 4. The X-truder

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Replies: 6
by marktownley » Thu May 24, 2018 5:03 am

6 Replies

4477 Views

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Fri Jun 29, 2018 7:41 pm
Finally testing new CaK filter stack

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by Merlin66 » Fri Jun 22, 2018 1:43 am

12 Replies

3478 Views

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Sat Jun 23, 2018 9:00 am
Pst objective - 46mm and 52mm

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by marktownley » Sun Jun 17, 2018 9:29 pm

0 Replies

8447 Views

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Sun Jun 17, 2018 9:29 pm
66245 Heatsink mirror mount for 81045

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by MalVeauX » Fri Jun 15, 2018 1:59 pm

1 Replies

2436 Views

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Fri Jun 15, 2018 3:31 pm
The 81045 energy rejection mirror

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by christian viladrich » Thu Jun 14, 2018 7:15 pm

0 Replies

8781 Views

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Thu Jun 14, 2018 7:15 pm
WILL IT BURN? - ..Filter Killer..

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by mdwmark » Mon May 28, 2018 9:37 pm

13 Replies

4870 Views

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Tue Jun 05, 2018 7:52 pm
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by marktownley » Tue Jun 05, 2018 5:09 am

0 Replies

8435 Views

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Tue Jun 05, 2018 5:09 am
Lunt CaK B1800, inside visual inspection

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Replies: 14
by allhoest » Mon Mar 12, 2018 8:38 pm

14 Replies

4693 Views

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Sat May 26, 2018 7:17 pm
Lunt CaK Mod - Removing Etalon's adapter

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by allhoest » Thu May 24, 2018 5:58 pm

3 Replies

2390 Views

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Sat May 26, 2018 6:46 pm
CHEAPEST Extension Tube

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by marktownley » Wed May 23, 2018 10:18 pm

0 Replies

8699 Views

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Wed May 23, 2018 10:18 pm
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Replies: 28
by AndiesHandyHandies » Fri Mar 30, 2018 7:49 am
1

2
28 Replies

6636 Views

Last post by marktownley
Tue May 22, 2018 11:35 am
A high quality telecentric 3X made by itself

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Replies: 15
by antonello » Thu Feb 08, 2018 12:29 pm

15 Replies

4795 Views

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Mon May 07, 2018 8:15 pm
lenses / objectives / mirrors for below 405nm

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Replies: 2
by Merlin66 » Sun May 06, 2018 6:43 am

2 Replies

2482 Views

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Sun May 06, 2018 9:26 am
Make a native F30 telescope better for Solar

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Replies: 10
by AndiesHandyHandies » Sat Apr 21, 2018 7:05 am

10 Replies

3196 Views

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Thu May 03, 2018 9:30 pm
Maier or Beloptik PST

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Replies: 5
by 39N84W » Mon Apr 30, 2018 7:07 pm

5 Replies

2675 Views

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Tue May 01, 2018 12:33 pm
PST version and ERF insurance

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Replies: 1
by AndiesHandyHandies » Mon Apr 30, 2018 9:15 pm

1 Replies

1931 Views

Last post by Merlin66
Mon Apr 30, 2018 11:32 pm
Looking for guidance in double-stacking an SM90 from inside a TV102i

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Replies: 4
by danpro1 » Sat Apr 14, 2018 11:37 pm

4 Replies

2510 Views

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Sat Apr 21, 2018 2:30 pm
Solar sunglasses

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Replies: 4
by ausguerila » Wed Apr 11, 2018 10:54 am

4 Replies

2505 Views

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Sun Apr 15, 2018 8:49 am
Maier ITF - first failure?!

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Replies: 12
by Merlin66 » Tue Apr 03, 2018 5:12 am

12 Replies

3962 Views

Last post by DavidG
Tue Apr 10, 2018 10:01 pm
Lunk CaK first mod

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Replies: 3
by allhoest » Sun Apr 08, 2018 3:33 pm

3 Replies

2165 Views

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Tue Apr 10, 2018 7:36 pm
PST Stage 2 Mod - Upgrade

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Replies: 7
by Merlin66 » Sat Mar 31, 2018 12:30 am

7 Replies

2878 Views

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Sun Apr 08, 2018 1:12 am
New pst mod

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by manu41 » Sat Mar 22, 2014 1:11 pm

12 Replies

4742 Views

Last post by Live_Steam_Mad
Wed Mar 28, 2018 12:01 pm
Lunt 60 mod options??

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by Eddie » Mon Jan 15, 2018 10:46 pm

21 Replies

5113 Views

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Sat Mar 24, 2018 9:34 am
SM60 -PST Mod double stack on ED80

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by Merlin66 » Sun Jan 28, 2018 12:56 am

18 Replies

4488 Views

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Sun Mar 04, 2018 7:11 pm
Request advice on double stacking a new Meade SM90 to Coronado SM90

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by CarlDD » Sun May 07, 2017 8:22 pm

16 Replies

5028 Views

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Sat Feb 03, 2018 3:12 pm
DIY Solar Scintillation Seeing Monitor with FC support

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by RTJoe » Fri Jul 03, 2015 4:47 pm
1

2

3

4

5
113 Replies

32744 Views

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Sat Jan 20, 2018 10:48 am
Concept model of new 12" Solar Newton

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by [whrudey] » Tue May 31, 2016 6:16 pm
1

2

3
51 Replies

14885 Views

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Sat Dec 09, 2017 12:58 am
Aperture fever and (im)possibilities of a mod

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by HansH » Fri Dec 08, 2017 9:17 am

2 Replies

2139 Views

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Fri Dec 08, 2017 11:35 am
The role of the diagonal mirror in the Coronado BF10 and BF15 filters.

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by Valery » Wed Dec 06, 2017 9:43 am

5 Replies

2480 Views

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Wed Dec 06, 2017 11:35 pm
SM40 crayford?

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Replies: 4
by hopes2 » Sun Nov 12, 2017 3:24 am

4 Replies

2414 Views

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Wed Nov 22, 2017 6:44 pm
Disassemble Coronado Blocking Filter

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Replies: 4
by hopes2 » Mon Nov 20, 2017 4:35 pm

4 Replies

2514 Views

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Wed Nov 22, 2017 5:14 pm
Strange Solar reactions with a 60 mm Lunt MOD

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Replies: 1
by solarmax2016 » Mon Nov 20, 2017 6:45 pm

1 Replies

2077 Views

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Mon Nov 20, 2017 7:15 pm
Back after a tough absence

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Replies: 4
by JohnM » Fri Oct 20, 2017 11:03 pm

4 Replies

2397 Views

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Sat Oct 21, 2017 3:32 pm
150mm PST mod

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Replies: 2
by bart1805 » Wed Oct 18, 2017 10:16 pm

2 Replies

2550 Views

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Thu Oct 19, 2017 3:11 pm
Frankencope Tests! (Apologies for absence)

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by Macavity » Fri Aug 18, 2017 10:44 am

2 Replies

2635 Views

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Mon Oct 16, 2017 8:10 pm
Show me your lunt solar mods

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by marktownley » Mon Oct 09, 2017 6:52 pm

4 Replies

3094 Views

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Mon Oct 16, 2017 9:06 am
Doublestack with LS50F?

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Replies: 4
by bart1805 » Thu Aug 10, 2017 7:19 pm

4 Replies

2747 Views

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Thu Oct 05, 2017 5:19 am
Basic question about Coronado Blocking filter

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by rsfoto » Sun Sep 17, 2017 3:02 pm

13 Replies

4363 Views

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Omega CaK stack

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Replies: 9
by Merlin66 » Sat Sep 23, 2017 12:46 am

9 Replies

3360 Views

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Sun Sep 24, 2017 10:32 pm
What does a "blocking filter" consist of... ?

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by Macavity » Wed Aug 30, 2017 9:58 am

13 Replies

4713 Views

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Fri Sep 22, 2017 11:10 pm
PST Mod on a SCT

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by MapleRidge » Fri Sep 08, 2017 11:16 pm

4 Replies

2538 Views

Last post by marktownley
Sun Sep 10, 2017 8:57 pm
PST Solarscope Modifications

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Replies: 1
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1 Replies

2160 Views

Last post by Merlin66
Sun Sep 10, 2017 6:35 am
to Quark or not to Quark??

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Replies: 3
by Eddie » Thu Aug 17, 2017 10:29 pm

3 Replies

2509 Views

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Sun Aug 20, 2017 2:23 am
Focuser upgrade for my Lunt LS50 H-Alpha Scope

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Replies: 21
by saguaro » Fri Apr 24, 2015 1:56 am

21 Replies

9319 Views

Last post by Live_Steam_Mad
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Lunt Mod

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Replies: 7
by solarmax2016 » Sat Jun 03, 2017 2:45 am

7 Replies

3594 Views

Last post by bart1805
Tue Aug 15, 2017 6:50 pm
How to remove internal reflections

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Replies: 3
by DJD » Sun Aug 13, 2017 1:49 pm

3 Replies

2422 Views

Last post by Merlin66
Mon Aug 14, 2017 2:42 pm
PST ERF

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Replies: 2
by Solar B » Sat Aug 12, 2017 1:34 pm

2 Replies

2312 Views

Last post by Solar B
Sat Aug 12, 2017 5:38 pm
Mod TS 152/900 Individual

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Replies: 45
by Galosimo » Tue May 05, 2015 8:44 pm
1

2
45 Replies

9942 Views

Last post by Galosimo
Fri Aug 11, 2017 10:04 pm
Have Etalon Will Travel

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Replies: 5
by Okay-1 » Mon Aug 07, 2017 12:01 am

5 Replies

3034 Views

Last post by Okay-1
Tue Aug 08, 2017 8:43 pm
BF10 blocking filter straight through adapter

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Replies: 14
by DJD » Mon Jul 24, 2017 10:42 am

14 Replies

4132 Views

Last post by marktownley
Sat Aug 05, 2017 2:43 pm
Final Assembly LUNT 60 mm Pressure tuned MOD

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Replies: 18
by solarmax2016 » Fri May 12, 2017 6:15 pm

18 Replies

6047 Views

Last post by marktownley
Fri Jul 14, 2017 5:11 am
Lunt Engineering focuser with Quark question

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by Robert Henry 1355 » Wed Jul 12, 2017 12:57 am

0 Replies

8715 Views

Last post by Robert Henry 1355
Wed Jul 12, 2017 12:57 am
Omega 656.3 H Alpha 0.15nm filter as a DS eyepiece filter.

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by soulvagabond » Sat Jul 08, 2017 6:10 am

0 Replies

8946 Views

Last post by soulvagabond
Sat Jul 08, 2017 6:10 am
Bresser 127/1200 Stage 2 Mod

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Replies: 8
by FRAZ » Mon May 29, 2017 6:25 pm

8 Replies

3551 Views

Last post by FRAZ
Sat Jun 17, 2017 8:56 pm
Mirror coating for Hα reflection

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Replies: 2
by GreatAttractor » Fri Jun 09, 2017 11:33 am

2 Replies

2162 Views

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Wed Jun 14, 2017 10:10 pm
Lunt LS50+Visionking 80mm/F7.5 MOD And Questions...

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Replies: 4
by soulvagabond » Tue Jun 06, 2017 7:56 am

4 Replies

3072 Views

Last post by soulvagabond
Sun Jun 11, 2017 8:20 pm
Need a full disc HA sidekick (PST/Quark/??)

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Replies: 7
by MalVeauX » Sat May 27, 2017 8:57 pm

7 Replies

3018 Views

Last post by MalVeauX
Tue Jun 06, 2017 1:46 pm
My observation on Quark with Lunt BF600 diagonal

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Replies: 2
by soulvagabond » Tue May 30, 2017 8:00 am

2 Replies

2302 Views

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Sun Jun 04, 2017 2:17 pm
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Replies: 2
by juhheng » Tue May 30, 2017 1:46 pm

2 Replies

2421 Views

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Sun Jun 04, 2017 2:03 pm
Lunt 50 with >100mm Lense

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Replies: 8
by amendola » Thu May 04, 2017 5:16 pm

8 Replies

3443 Views

Last post by bhavani123
Wed May 31, 2017 3:58 am
How to Calculate Sun diameter inside Light Cone?

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Replies: 10
by Brett » Sun Sep 20, 2015 1:00 pm

10 Replies

3827 Views

Last post by kornfeld
Fri May 05, 2017 1:30 pm
Double stacking PST/Quark question

Last post by kornfeld « Wed May 03, 2017 1:27 pm
Replies: 3
by gabrieli » Sun Apr 30, 2017 12:05 pm

3 Replies

2615 Views

Last post by kornfeld
Wed May 03, 2017 1:27 pm
LUNT 50 MOD,..ADVICE NEEDED

Last post by grdc65 « Sun Apr 30, 2017 2:00 am

by grdc65 » Sun Apr 30, 2017 2:00 am

0 Replies

8956 Views

Last post by grdc65
Sun Apr 30, 2017 2:00 am
Lunt 60FHa with EdgeHD 8

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Replies: 4
by amendola » Mon Apr 24, 2017 9:01 pm

4 Replies

2679 Views

Last post by amendola
Thu Apr 27, 2017 9:01 pm
New hard-coated filters from Andover

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Replies: 11
by Bob Yoesle » Tue Jan 24, 2017 5:19 pm

11 Replies

4586 Views

Last post by fjabet
Thu Apr 20, 2017 9:51 am
CORONADO DS ETALON on a LUNTLs50HTa

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Replies: 1
by grdc65 » Sun Apr 16, 2017 7:39 am

1 Replies

2193 Views

Last post by marktownley
Sun Apr 16, 2017 8:44 am
minor issue with imppg

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Replies: 9
by rbenton » Tue Apr 04, 2017 6:46 am

9 Replies

3043 Views

Last post by marktownley
Mon Apr 10, 2017 8:57 pm
Coronado BF thread size

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by Fenrir » Sat Apr 08, 2017 6:25 pm

0 Replies

8683 Views

Last post by Fenrir
Sat Apr 08, 2017 6:25 pm
Electronic focuser for Lunt

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by 04Stefan07 » Fri Apr 07, 2017 10:11 am

0 Replies

8853 Views

Last post by 04Stefan07
Fri Apr 07, 2017 10:11 am
USING BINOVIEWERS

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by grdc65 » Tue Mar 28, 2017 4:36 am

0 Replies

8969 Views

Last post by grdc65
Tue Mar 28, 2017 4:36 am
Quark Chromosphere + Lunt's BF 600

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Replies: 6
by soulvagabond » Sat Mar 11, 2017 10:58 am

6 Replies

2781 Views

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Thu Mar 16, 2017 7:50 pm
Lunt50+Daystar Quark as doublestack?

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Replies: 15
by soulvagabond » Thu Jan 12, 2017 5:05 am

15 Replies

5736 Views

Last post by soulvagabond
Tue Mar 07, 2017 8:59 pm
modif Pst / 150mm

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Replies: 5
by banjo » Mon Jan 30, 2017 10:08 am

5 Replies

3175 Views

Last post by Merlin66
Thu Feb 23, 2017 5:34 am
Lunt PT mod- vibration dampening

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Replies: 5
by Anthony M » Thu Feb 09, 2017 1:28 am

5 Replies

2895 Views

Last post by Anthony M
Wed Feb 15, 2017 3:22 am
Orion 80 mm PST MOD

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Replies: 3
by solarmax2016 » Sun Jan 29, 2017 2:05 pm

3 Replies

2641 Views

Last post by marktownley
Sun Jan 29, 2017 10:26 pm
ES Focal Extender for Quark mod?

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Replies: 2
by LTHB » Sat Jan 07, 2017 4:16 pm

2 Replies

2419 Views

Last post by soulvagabond
Sat Jan 21, 2017 11:33 am
What did I do wrong?

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Replies: 2
by brebisson » Tue Jan 17, 2017 11:52 am

2 Replies

2692 Views

Last post by brebisson
Wed Jan 18, 2017 7:31 pm
PST question

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Replies: 12
by Robert Henry 1355 » Sun Jan 08, 2017 3:52 pm

12 Replies

3307 Views

Last post by Robert Henry 1355
Mon Jan 16, 2017 11:13 pm
PST Mod Query and update

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Replies: 1
by Sungrazer » Sun Jan 08, 2017 11:00 am

1 Replies

2336 Views

Last post by Merlin66
Mon Jan 09, 2017 3:22 am
Astronomik IR Block filter as internal ERF

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Replies: 12
by Vicchio » Mon Dec 12, 2016 9:03 am

12 Replies

4798 Views

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Wed Dec 28, 2016 9:07 pm
PST Prism Alignment problem - assistance please if possible

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Replies: 9
by Sungrazer » Sat Dec 17, 2016 6:26 am

9 Replies

3629 Views

Last post by axlefoley
Mon Dec 26, 2016 5:10 am
my "Sunlux" PST mod

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Replies: 5
by astrohardy » Sun Jun 28, 2015 7:18 am

5 Replies

3357 Views

Last post by marktownley
Mon Dec 12, 2016 11:35 am
Piggyback for Lunt LS100?

Last post by rbenton « Fri Dec 09, 2016 6:54 pm

by rbenton » Fri Dec 09, 2016 6:54 pm

0 Replies

8857 Views

Last post by rbenton
Fri Dec 09, 2016 6:54 pm
my little lunt60 mod

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Replies: 55
by highfnum » Mon Jun 02, 2014 1:06 am
1

2

3
55 Replies

10541 Views

Last post by highfnum
Wed Dec 07, 2016 9:24 pm
Double stack - a standard etalon?

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Replies: 2
by Bassoon » Sun Nov 27, 2016 10:21 am

2 Replies

2317 Views

Last post by Bassoon
Sun Nov 27, 2016 4:53 pm
Skywatcher StarTravel 102 + Lunt LS50THa good combo?

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Replies: 4
by soulvagabond » Wed Nov 23, 2016 6:06 am

4 Replies

2691 Views

Last post by soulvagabond
Fri Nov 25, 2016 8:35 am
Lunt L60 thread dimensions

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Replies: 19
by _Zakalwe » Wed Apr 23, 2014 7:54 am

19 Replies

5338 Views

Last post by solarmax2016
Mon Nov 07, 2016 5:07 am
PST or Lunt components?

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Replies: 1
by Bassoon » Fri Oct 28, 2016 11:27 am

1 Replies

2193 Views

Last post by marktownley
Fri Oct 28, 2016 5:58 pm
Double stack or refurbish my Daystar Quantum?

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Replies: 7
by cshahar » Wed Sep 28, 2016 8:18 pm

7 Replies

3530 Views

Last post by cshahar
Wed Oct 05, 2016 5:44 pm
SolarMax internal etalon size (old SM70 and SM90II)

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Replies: 14
by Pablito » Tue Aug 16, 2016 5:39 pm

14 Replies

5930 Views

Last post by Sungazer
Wed Oct 05, 2016 9:10 am
Planning PSD Mod on Meade LXD55 5" f9.3 1180mm

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Replies: 17
by nickatnight » Sat Aug 27, 2016 10:39 pm

17 Replies

5242 Views

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Tue Oct 04, 2016 5:15 pm
Stacking PST with a quark

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Replies: 8
by Solar B » Wed Sep 02, 2015 8:56 am

8 Replies

3746 Views

Last post by nickatnight
Sat Aug 27, 2016 11:31 pm
Single-truss 12" Newtonian for an EQ mount

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Replies: 2
by GreatAttractor » Sun Aug 21, 2016 8:26 am

2 Replies

2742 Views

Last post by marktownley
Tue Aug 23, 2016 7:50 am
And now the H-Alpha Killer, a Lunt-Mod

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Replies: 10
by Solar-Cologne » Sun Nov 15, 2015 1:34 pm

10 Replies

4679 Views

Last post by solarmax2016
Sat Aug 20, 2016 4:00 am
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by Cometeer » Fri Aug 12, 2016 10:21 pm

0 Replies

8971 Views

Last post by Cometeer
Fri Aug 12, 2016 10:21 pm
Mounting of DS 40s

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Replies: 20
by Solar B » Fri May 13, 2016 8:27 am

20 Replies

6762 Views

Last post by Solar B
Mon Aug 08, 2016 8:18 am
2nd video - Lunt 60PT f/8.3 to meade LX70 5" f8.3 & BF30

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Replies: 22
by marktownley » Sun Dec 27, 2015 9:34 pm

22 Replies

8402 Views

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Sun Jul 31, 2016 6:21 pm
Coronado SM40 Etalon + Lunt B600?

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Replies: 5
by nicosolcy » Sat Jul 30, 2016 3:41 pm

5 Replies

3141 Views

Last post by nicosolcy
Sun Jul 31, 2016 12:26 pm
Barlow and refocus your blocking filter?

Last post by christian viladrich « Mon Jul 11, 2016 6:35 pm
Replies: 2
by Valery » Sun Jul 10, 2016 6:43 am

2 Replies

2598 Views

Last post by christian viladrich
Mon Jul 11, 2016 6:35 pm
what if - h-alpha thru 17th century optics

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Replies: 9
by highfnum » Mon Jul 04, 2016 9:32 am

9 Replies

3200 Views

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Tue Jul 05, 2016 9:06 pm
LS80 Etalon @ a 130mm f/7 Triplet

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Replies: 13
by tklemmer » Mon Dec 28, 2015 9:08 pm

13 Replies

4735 Views

Last post by tklemmer
Thu Jun 23, 2016 12:07 pm
Unscrewing the PST Etalon

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Replies: 6
by pete_w » Thu May 26, 2016 7:49 am

6 Replies

3343 Views

Last post by pete_w
Wed Jun 22, 2016 7:01 pm
ERF's and a Quark +150mm F5 Refractor

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Replies: 5
by pete_w » Sun May 29, 2016 11:34 am

5 Replies

3355 Views

Last post by marktownley
Thu Jun 16, 2016 12:39 pm
Lunt60PT scope mod - how to double stack?

Last post by GaborKiss « Tue May 31, 2016 7:59 am
Replies: 3
by GaborKiss » Mon May 30, 2016 3:35 pm

3 Replies

2564 Views

Last post by GaborKiss
Tue May 31, 2016 7:59 am
For Gabor

Last post by GaborKiss « Mon May 30, 2016 3:32 pm

by GaborKiss » Mon May 30, 2016 3:32 pm

0 Replies

8827 Views

Last post by GaborKiss
Mon May 30, 2016 3:32 pm
F11 PST scope

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Replies: 18
by Moriniboy » Wed May 11, 2016 6:15 am

18 Replies

4429 Views

Last post by antonello
Mon May 30, 2016 10:32 am
PST vs. Lunt50 mod - which and why?

Last post by GaborKiss « Thu May 26, 2016 10:37 pm
Replies: 4
by GaborKiss » Wed May 25, 2016 3:20 pm

4 Replies

2603 Views

Last post by GaborKiss
Thu May 26, 2016 10:37 pm
Just blocking filters.

Last post by antonello « Tue May 24, 2016 12:18 pm
Replies: 5
by Valery » Tue May 24, 2016 12:13 am

5 Replies

2516 Views

Last post by antonello
Tue May 24, 2016 12:18 pm
First PST Mod Questions and Check

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Replies: 6
by Bojan » Tue May 03, 2016 2:42 pm

6 Replies

2976 Views

Last post by Bojan
Fri May 20, 2016 3:11 pm
Baader / Solar Spectrum Telecompressor 0.7x

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Replies: 55
by marktownley » Wed Feb 18, 2015 5:44 pm
1

2

3
55 Replies

9806 Views

Last post by Keramos
Mon May 16, 2016 8:22 pm
Quark DSII 155mm

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Replies: 7
by george9 » Mon Mar 28, 2016 12:32 pm

7 Replies

3675 Views

Last post by george9
Fri May 13, 2016 12:22 pm
Is the blocking filter necessary?

Last post by marktownley « Thu May 12, 2016 5:49 pm
Replies: 2
by NightPhotographer » Thu May 12, 2016 3:16 pm

2 Replies

2403 Views

Last post by marktownley
Thu May 12, 2016 5:49 pm
Lunt LS50THa enhancement

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Replies: 5
by GreatAttractor » Thu Dec 24, 2015 2:21 pm

5 Replies

4202 Views

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Tue May 03, 2016 5:46 am
Solarmax 40 Problems

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Replies: 9
by Bojan » Mon Apr 18, 2016 6:01 pm

9 Replies

3156 Views

Last post by marktownley
Wed Apr 27, 2016 7:57 pm
Can a good quark replace blocking filters?

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Replies: 1
by george9 » Thu Apr 21, 2016 3:00 am

1 Replies

2428 Views

Last post by fjabet
Sat Apr 23, 2016 7:58 am
Baader HA 35nm as D-ERF in 60mm PST Mod?

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Replies: 4
by moonshane » Fri Apr 15, 2016 12:43 am

4 Replies

3126 Views

Last post by moonshane
Mon Apr 18, 2016 11:22 am
Making an "integrated U.H.T 393nm focuser"

Last post by marktownley « Thu Apr 14, 2016 8:02 pm

by marktownley » Thu Apr 14, 2016 8:02 pm

0 Replies

8931 Views

Last post by marktownley
Thu Apr 14, 2016 8:02 pm
PST mod with SW Evostar

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Replies: 4
by s52sk » Sun Apr 10, 2016 6:21 pm

4 Replies

3081 Views

Last post by s52sk
Thu Apr 14, 2016 7:57 pm
Best instruction for PST mod

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Replies: 1
by nickatnight » Thu Apr 14, 2016 7:31 am

1 Replies

2323 Views

Last post by Merlin66
Thu Apr 14, 2016 4:18 pm
ETX90 for CaK Work

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Replies: 7
by marktownley » Mon Apr 04, 2016 1:33 pm

7 Replies

3142 Views

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Fri Apr 08, 2016 8:01 am
Lunt LS50THa modification to 90 mm aperture

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Replies: 4
by GreatAttractor » Mon Apr 04, 2016 8:05 pm

4 Replies

5324 Views

Last post by GreatAttractor
Tue Apr 05, 2016 9:48 pm
Calcium k-line emitter system / UV-ERF-70% \ off the shelf

Last post by marktownley « Tue Apr 05, 2016 8:16 am

by marktownley » Tue Apr 05, 2016 8:16 am

0 Replies

9388 Views

Last post by marktownley
Tue Apr 05, 2016 8:16 am
Advice Needed, Lunt LS35 To Equinox 66

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Replies: 4
by bilbo » Fri Apr 01, 2016 8:07 pm

4 Replies

2941 Views

Last post by bilbo
Mon Apr 04, 2016 3:29 pm
How much heat applied to the etalon? (quark

Last post by marktownley « Mon Apr 04, 2016 1:29 pm

by marktownley » Mon Apr 04, 2016 1:29 pm

0 Replies

9034 Views

Last post by marktownley
Mon Apr 04, 2016 1:29 pm
Ressurecting a very good calcium k-line thread

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Replies: 1
by Valery » Mon Apr 04, 2016 3:28 am

1 Replies

2291 Views

Last post by marktownley
Mon Apr 04, 2016 6:15 am
PST stage 1 can I remove the black box ERF

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Replies: 2
by Moriniboy » Mon Mar 21, 2016 12:11 pm

2 Replies

2552 Views

Last post by Moriniboy
Thu Mar 31, 2016 7:42 am
Pre-Meade SolarMax 40 Mod?

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Replies: 5
by Bojan » Fri Mar 25, 2016 4:12 pm

5 Replies

2829 Views

Last post by Solar B
Sun Mar 27, 2016 12:35 pm
Determining Scale of the Earth

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Replies: 7
by Starry Jack » Sun Mar 06, 2016 8:07 pm

7 Replies

2861 Views

Last post by Starry Jack
Tue Mar 15, 2016 5:01 pm
Took one for the team. (pressure tuner guts)

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Replies: 5
by _Zakalwe » Sun Feb 28, 2016 11:48 am

5 Replies

3097 Views

Last post by Derek Klepp
Mon Mar 14, 2016 10:30 am
my chromosphere/prom viewer

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Replies: 15
by highfnum » Sat Sep 19, 2015 6:30 pm

15 Replies

5344 Views

Last post by DSobserver
Mon Feb 29, 2016 10:03 pm
PST etalon (or similar) in a telecentric beam

Last post by marktownley « Thu Feb 25, 2016 11:31 am
Replies: 86
by Merlin66 » Sat Apr 12, 2014 10:35 pm
1

2

3

4
86 Replies

17066 Views

Last post by marktownley
Thu Feb 25, 2016 11:31 am
Baader D-ERF with Lunt etalon and trimming filter?

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Replies: 5
by Jdgoguen » Sun Feb 14, 2016 3:44 pm

5 Replies

2841 Views

Last post by Jdgoguen
Mon Feb 15, 2016 3:55 pm
Skywatcher AZ3 Mount modification

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Replies: 6
by 04Stefan07 » Wed May 20, 2015 3:43 am

6 Replies

3233 Views

Last post by 04Stefan07
Mon Feb 01, 2016 7:45 am
Which Quark for solar scope mod?

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Replies: 3
by Carbon60 » Wed Jan 06, 2016 8:35 pm

3 Replies

2914 Views

Last post by Derek Klepp
Sat Jan 09, 2016 7:52 am
Setup with HaT

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Replies: 13
by fjabet » Mon Mar 23, 2015 8:49 am

13 Replies

4157 Views

Last post by fjabet
Fri Jan 08, 2016 5:57 pm
quick lunt 60mm question

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Replies: 1
by highfnum » Sun Dec 27, 2015 5:25 pm

1 Replies

2138 Views

Last post by Merlin66
Sun Dec 27, 2015 10:12 pm
Lunt Solar 60mm diameter of the etalon

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Replies: 1
by Kvak » Sat Dec 26, 2015 3:10 pm

1 Replies

2443 Views

Last post by marktownley
Sat Dec 26, 2015 6:16 pm
PST mod Telescope question.

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Replies: 10
by aboy » Sat Dec 19, 2015 2:39 pm

10 Replies

3687 Views

Last post by aboy
Wed Dec 23, 2015 12:30 pm
Magnetic Sol-Searcher mod

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Replies: 2
by NMBob » Mon Dec 14, 2015 5:17 am

2 Replies

2543 Views

Last post by marktownley
Fri Dec 18, 2015 9:41 pm
Quark mod into combo

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Replies: 10
by DSobserver » Wed Dec 09, 2015 1:18 pm

10 Replies

3386 Views

Last post by DSobserver
Mon Dec 14, 2015 11:23 pm
Solar Newtonian 8"

Last post by [whrudey] « Sun Dec 13, 2015 4:44 pm
Replies: 47
by [whrudey] » Mon Nov 23, 2015 5:33 pm
1

2
47 Replies

10693 Views

Last post by [whrudey]
Sun Dec 13, 2015 4:44 pm
Dreaming of a Dichroic Mirror

Last post by michael.h.f.wilkinson « Wed Dec 09, 2015 12:07 pm
Replies: 6
by michael.h.f.wilkinson » Mon Dec 07, 2015 9:17 am

6 Replies

2684 Views

Last post by michael.h.f.wilkinson
Wed Dec 09, 2015 12:07 pm
Last but not least, my biggest Mod

Last post by Solar-Cologne « Sat Nov 21, 2015 3:26 am
Replies: 6
by Solar-Cologne » Wed Nov 18, 2015 3:15 pm

6 Replies

3651 Views

Last post by Solar-Cologne
Sat Nov 21, 2015 3:26 am
Best donor scope for pst mod?

Last post by Solar-Cologne « Sun Nov 15, 2015 2:08 pm
Replies: 8
by Fenrir » Tue Sep 15, 2015 8:53 pm

8 Replies

3717 Views

Last post by Solar-Cologne
Sun Nov 15, 2015 2:08 pm
My fourth PST-Mod

Last post by Solar-Cologne « Sun Nov 15, 2015 12:38 pm
Replies: 2
by Solar-Cologne » Sun Nov 15, 2015 12:17 pm

2 Replies

2700 Views

Last post by Solar-Cologne
Sun Nov 15, 2015 12:38 pm
Now my third PST-Mod

Last post by marktownley « Sun Nov 15, 2015 12:00 pm
Replies: 2
by Solar-Cologne » Sat Nov 14, 2015 9:24 am

2 Replies

2797 Views

Last post by marktownley
Sun Nov 15, 2015 12:00 pm
From 50 to 60 DS?

Last post by Calavera « Sat Nov 14, 2015 11:21 am
Replies: 23
by Dobber » Tue Oct 27, 2015 7:41 pm

23 Replies

6286 Views

Last post by Calavera
Sat Nov 14, 2015 11:21 am
My second PST-Mod

Last post by marktownley « Sat Nov 14, 2015 8:39 am
Replies: 1
by Solar-Cologne » Fri Nov 13, 2015 5:08 pm

1 Replies

2426 Views

Last post by marktownley
Sat Nov 14, 2015 8:39 am

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