Solar Scope Modifications

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Solar Analemma. This outstanding image from Alexandra Hart taken over a period of 4 years charts the midday position of the sun in the sky throughout the year. The north–south component of the analemma results from the change in the Sun's declination due to the tilt of Earth's axis of rotation. The east–west component results from the nonuniform rate of change of the Sun's right ascension, governed by combined effects of Earth's axial tilt and orbital eccentricity.

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Solar Scope Modifications

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Last post

Baader 1.25x GPC with PST Mod, How to Mount the GPC?

Last post by Rusted « Sat Jan 18, 2020 9:02 pm
Replies: 1
by MalVeauX » Sat Jan 18, 2020 2:10 am

1 Replies

40 Views

Last post by Rusted
Sat Jan 18, 2020 9:02 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

1567 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

227 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

451 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: 7
by Roel80 » Mon Dec 23, 2019 2:38 pm

7 Replies

275 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

92 Views

Last post by antonello
Mon Jan 13, 2020 6:57 am
PST conversion?

Last post by marktownley « Sun Dec 29, 2019 4:50 pm
Replies: 1
by garymck » Sun Dec 29, 2019 8:11 am

1 Replies

209 Views

Last post by marktownley
Sun Dec 29, 2019 4:50 pm
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
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2
30 Replies

1726 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

156 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

875 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

245 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

497 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

95 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

750 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

511 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

1630 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

482 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

469 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

309 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

910 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

424 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

648 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

1242 Views

Last post by AndiesHandyHandies
Sat Oct 19, 2019 8:34 am
Easy PST Module with ERF (non-destructive, no cutting of OTA, & no-black-box rebuild)

Last post by MalVeauX « Mon Oct 14, 2019 1:22 am
Replies: 62
by MalVeauX » Fri Sep 06, 2019 5:07 pm
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2

3
62 Replies

2509 Views

Last post by MalVeauX
Mon Oct 14, 2019 1:22 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

1125 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

819 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

1576 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

488 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

902 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

380 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
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4
84 Replies

5075 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

560 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

532 Views

Last post by marktownley
Sat Aug 31, 2019 3:17 am
Is a C8 and a PST mod really usable?

Last post by marktownley « Sat Aug 31, 2019 3:12 am
Replies: 17
by langleif2 » Sun Aug 18, 2019 9:21 am

17 Replies

970 Views

Last post by marktownley
Sat Aug 31, 2019 3:12 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

801 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

541 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

717 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

309 Views

Last post by marktownley
Fri Jul 26, 2019 6:24 am
PST Black Box Mods

Last post by AndiesHandyHandies « Thu Jul 18, 2019 2:56 pm
Replies: 4
by AndiesHandyHandies » Fri May 24, 2019 11:06 pm

4 Replies

652 Views

Last post by AndiesHandyHandies
Thu Jul 18, 2019 2:56 pm
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

1132 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

450 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

528 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

391 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

428 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

692 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

489 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

1159 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

1680 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

1221 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

735 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

474 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

641 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

541 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

558 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

1075 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

3455 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

474 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

1613 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

2366 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

405 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

1567 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

3105 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

368 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

1421 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

576 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

881 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

310 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

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3

4

5
115 Replies

10373 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

429 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

614 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

561 Views

Last post by Bob Yoesle
Sat Apr 13, 2019 1:11 am
Thread of Coronado diagonal

Last post by bart1805 « Wed Apr 10, 2019 9:46 pm

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

0 Replies

519 Views

Last post by bart1805
Wed Apr 10, 2019 9:46 pm
Crazy Idea...?

Last post by Merlin66 « Mon Apr 08, 2019 6:54 am
Replies: 4
by Bob Yoesle » Sat Apr 06, 2019 3:04 pm

4 Replies

641 Views

Last post by Merlin66
Mon Apr 08, 2019 6:54 am
Telescope with etched mirrors

Last post by christian viladrich « Thu Mar 28, 2019 7:17 pm
Replies: 9
by tafig » Mon Mar 25, 2019 3:00 pm

9 Replies

926 Views

Last post by christian viladrich
Thu Mar 28, 2019 7:17 pm
Need to add remote focus to your scope

Last post by MAURITS « Thu Mar 28, 2019 4:17 pm
Replies: 3
by skyhawk » Wed Mar 27, 2019 1:12 pm

3 Replies

495 Views

Last post by MAURITS
Thu Mar 28, 2019 4:17 pm
Coronado SM Remote adjustment

Last post by aristarchus « Tue Mar 19, 2019 2:14 pm
Replies: 6
by rsfoto » Sun Sep 10, 2017 11:34 pm

6 Replies

1904 Views

Last post by aristarchus
Tue Mar 19, 2019 2:14 pm
My ITF is not in the usual place

Last post by Starry Jack « Mon Mar 18, 2019 4:00 pm
Replies: 13
by Starry Jack » Sun Mar 17, 2019 6:43 pm

13 Replies

1022 Views

Last post by Starry Jack
Mon Mar 18, 2019 4:00 pm
lunt 50 mod

Last post by marktownley « Tue Mar 05, 2019 10:11 pm
Replies: 35
by DSobserver » Sun Apr 09, 2017 2:52 pm
1

2
35 Replies

7788 Views

Last post by marktownley
Tue Mar 05, 2019 10:11 pm
PST Etalon Adjustment

Last post by marktownley « Tue Mar 05, 2019 6:53 pm
Replies: 25
by MapleRidge » Sun Dec 30, 2018 11:40 pm
1

2
25 Replies

2606 Views

Last post by marktownley
Tue Mar 05, 2019 6:53 pm
Love my Val ERF

Last post by Starry Jack « Mon Mar 04, 2019 4:30 pm
Replies: 9
by Starry Jack » Sun Feb 24, 2019 3:44 am

9 Replies

1063 Views

Last post by Starry Jack
Mon Mar 04, 2019 4:30 pm
PST + DSLR Full disk problem ... AMENDED

Last post by Sol seeker uk « Sat Mar 02, 2019 12:50 pm
Replies: 12
by solarchatted » Thu Feb 28, 2019 10:24 am

12 Replies

1085 Views

Last post by Sol seeker uk
Sat Mar 02, 2019 12:50 pm
Low cost DIY Camera Tilt Adaptor

Last post by bart1805 « Sat Mar 02, 2019 10:27 am
Replies: 4
by Carbon60 » Thu Feb 28, 2019 5:46 pm

4 Replies

595 Views

Last post by bart1805
Sat Mar 02, 2019 10:27 am
Beloptik ha system

Last post by Bob Yoesle « Sun Feb 17, 2019 9:59 pm
Replies: 3
by torsinadoc » Fri Feb 15, 2019 10:37 am

3 Replies

673 Views

Last post by Bob Yoesle
Sun Feb 17, 2019 9:59 pm
Pst mod

Last post by Sol seeker uk « Sun Feb 17, 2019 7:43 pm

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

0 Replies

569 Views

Last post by Sol seeker uk
Sun Feb 17, 2019 7:43 pm
Lunt CaK diagonal modded to straight through

Last post by bart1805 « Wed Feb 06, 2019 4:22 pm
Replies: 7
by bart1805 » Thu Jan 24, 2019 6:46 pm

7 Replies

957 Views

Last post by bart1805
Wed Feb 06, 2019 4:22 pm
Adapter for doublestacking PST etalons

Last post by bart1805 « Sat Feb 02, 2019 9:31 pm
Replies: 15
by bart1805 » Fri Jan 18, 2019 1:25 pm

15 Replies

2025 Views

Last post by bart1805
Sat Feb 02, 2019 9:31 pm
Collimator for Omega Bobs Filters

Last post by marktownley « Mon Jan 28, 2019 7:38 pm
Replies: 7
by AndiesHandyHandies » Thu Jan 24, 2019 9:37 am

7 Replies

854 Views

Last post by marktownley
Mon Jan 28, 2019 7:38 pm
Front ERF vs Internal ERF? Minimum size?

Last post by Rusted « Sun Jan 20, 2019 4:19 pm
Replies: 20
by MalVeauX » Thu May 31, 2018 4:04 pm

20 Replies

4174 Views

Last post by Rusted
Sun Jan 20, 2019 4:19 pm
Baader 35nm as ERF

Last post by AndiesHandyHandies « Sat Jan 12, 2019 9:13 am
Replies: 2
by AndiesHandyHandies » Fri Jan 11, 2019 10:07 am

2 Replies

678 Views

Last post by AndiesHandyHandies
Sat Jan 12, 2019 9:13 am
Calcium K blocking filter

Last post by george9 « Wed Jan 02, 2019 2:30 am
Replies: 17
by george9 » Mon Dec 24, 2018 1:13 am

17 Replies

2044 Views

Last post by george9
Wed Jan 02, 2019 2:30 am
Best current set up

Last post by marktownley « Wed Dec 19, 2018 10:32 am
Replies: 7
by george9 » Sun Dec 16, 2018 5:03 am

7 Replies

1165 Views

Last post by marktownley
Wed Dec 19, 2018 10:32 am
Dimensions of 40mm SolarMax II H-Alpha Double Stacking Etalon

Last post by Okay-1 « Fri Dec 07, 2018 3:19 am

by Okay-1 » Fri Dec 07, 2018 3:19 am

0 Replies

735 Views

Last post by Okay-1
Fri Dec 07, 2018 3:19 am
Dismantling and modification of a PST CaK

Last post by bart1805 « Tue Dec 04, 2018 9:50 pm
Replies: 29
by bart1805 » Sat Oct 13, 2018 11:54 am
1

2
29 Replies

4206 Views

Last post by bart1805
Tue Dec 04, 2018 9:50 pm
Re: The Double pass idea...

Last post by antonello « Tue Nov 27, 2018 7:50 am
Replies: 13
by p_zetner » Thu Aug 16, 2018 10:03 pm

13 Replies

2980 Views

Last post by antonello
Tue Nov 27, 2018 7:50 am
Orange coated PST pentaprism

Last post by marktownley « Mon Nov 26, 2018 6:59 am
Replies: 1
by bart1805 » Sun Nov 25, 2018 10:36 pm

1 Replies

572 Views

Last post by marktownley
Mon Nov 26, 2018 6:59 am
optical contact experiments? Anybody?

Last post by marktownley « Sun Nov 25, 2018 9:40 am
Replies: 4
by LTHB » Mon Nov 19, 2018 9:44 pm

4 Replies

1091 Views

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4

5
117 Replies

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

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10 Replies

1378 Views

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9 Replies

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5 Replies

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1

2
34 Replies

4112 Views

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1

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4

5

6

7

8
176 Replies

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1

2
25 Replies

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1

2
49 Replies

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15 Replies

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1

2
41 Replies

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Do you have a skybender?

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

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

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

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

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1

2
28 Replies

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PST version and ERF insurance

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1 Replies

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1

2

3

4

5
113 Replies

23723 Views

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1

2

3
51 Replies

10954 Views

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Omega CaK stack

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What does a "blocking filter" consist of... ?

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13 Replies

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to Quark or not to Quark??

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Mod TS 152/900 Individual

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1

2
45 Replies

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Have Etalon Will Travel

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

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

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by grdc65 » Sun Apr 30, 2017 2:00 am

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Lunt 60FHa with EdgeHD 8

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

4 Replies

1419 Views

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

Last post by fjabet « Thu Apr 20, 2017 9:51 am
Replies: 11
by Bob Yoesle » Tue Jan 24, 2017 5:19 pm

11 Replies

3037 Views

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

Last post by marktownley « Sun Apr 16, 2017 8:44 am
Replies: 1
by grdc65 » Sun Apr 16, 2017 7:39 am

1 Replies

963 Views

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

Last post by marktownley « Mon Apr 10, 2017 8:57 pm
Replies: 9
by rbenton » Tue Apr 04, 2017 6:46 am

9 Replies

1630 Views

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

Last post by Fenrir « Sat Apr 08, 2017 6:25 pm

by Fenrir » Sat Apr 08, 2017 6:25 pm

0 Replies

1319 Views

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

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

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

0 Replies

1291 Views

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

Last post by grdc65 « Tue Mar 28, 2017 4:36 am

by grdc65 » Tue Mar 28, 2017 4:36 am

0 Replies

1261 Views

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

Last post by marktownley « Thu Mar 16, 2017 7:50 pm
Replies: 6
by soulvagabond » Sat Mar 11, 2017 10:58 am

6 Replies

1420 Views

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

Last post by soulvagabond « Tue Mar 07, 2017 8:59 pm
Replies: 15
by soulvagabond » Thu Jan 12, 2017 5:05 am

15 Replies

3949 Views

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

Last post by Merlin66 « Thu Feb 23, 2017 5:34 am
Replies: 5
by banjo » Mon Jan 30, 2017 10:08 am

5 Replies

1856 Views

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

Last post by Anthony M « Wed Feb 15, 2017 3:22 am
Replies: 5
by Anthony M » Thu Feb 09, 2017 1:28 am

5 Replies

1513 Views

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

Last post by marktownley « Sun Jan 29, 2017 10:26 pm
Replies: 3
by solarmax2016 » Sun Jan 29, 2017 2:05 pm

3 Replies

1385 Views

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

Last post by soulvagabond « Sat Jan 21, 2017 11:33 am
Replies: 2
by LTHB » Sat Jan 07, 2017 4:16 pm

2 Replies

1181 Views

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

Last post by brebisson « Wed Jan 18, 2017 7:31 pm
Replies: 2
by brebisson » Tue Jan 17, 2017 11:52 am

2 Replies

1402 Views

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

Last post by Robert Henry 1355 « Mon Jan 16, 2017 11:13 pm
Replies: 12
by Robert Henry 1355 » Sun Jan 08, 2017 3:52 pm

12 Replies

1821 Views

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

Last post by Merlin66 « Mon Jan 09, 2017 3:22 am
Replies: 1
by Sungrazer » Sun Jan 08, 2017 11:00 am

1 Replies

1129 Views

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

Last post by Merlin66 « Wed Dec 28, 2016 9:07 pm
Replies: 12
by Vicchio » Mon Dec 12, 2016 9:03 am

12 Replies

3081 Views

Last post by Merlin66
Wed Dec 28, 2016 9:07 pm
PST Prism Alignment problem - assistance please if possible

Last post by axlefoley « Mon Dec 26, 2016 5:10 am
Replies: 9
by Sungrazer » Sat Dec 17, 2016 6:26 am

9 Replies

2195 Views

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

Last post by marktownley « Mon Dec 12, 2016 11:35 am
Replies: 5
by astrohardy » Sun Jun 28, 2015 7:18 am

5 Replies

1956 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

1325 Views

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

Last post by highfnum « Wed Dec 07, 2016 9:24 pm
Replies: 55
by highfnum » Mon Jun 02, 2014 1:06 am
1

2

3
55 Replies

6903 Views

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

Last post by Bassoon « Sun Nov 27, 2016 4:53 pm
Replies: 2
by Bassoon » Sun Nov 27, 2016 10:21 am

2 Replies

1098 Views

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

Last post by soulvagabond « Fri Nov 25, 2016 8:35 am
Replies: 4
by soulvagabond » Wed Nov 23, 2016 6:06 am

4 Replies

1386 Views

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

Last post by solarmax2016 « Mon Nov 07, 2016 5:07 am
Replies: 19
by _Zakalwe » Wed Apr 23, 2014 7:54 am

19 Replies

3462 Views

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

Last post by marktownley « Fri Oct 28, 2016 5:58 pm
Replies: 1
by Bassoon » Fri Oct 28, 2016 11:27 am

1 Replies

965 Views

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

Last post by cshahar « Wed Oct 05, 2016 5:44 pm
Replies: 7
by cshahar » Wed Sep 28, 2016 8:18 pm

7 Replies

1991 Views

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

Last post by Sungazer « Wed Oct 05, 2016 9:10 am
Replies: 14
by Pablito » Tue Aug 16, 2016 5:39 pm

14 Replies

4179 Views

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

Last post by marktownley « Tue Oct 04, 2016 5:15 pm
Replies: 17
by nickatnight » Sat Aug 27, 2016 10:39 pm

17 Replies

3372 Views

Last post by marktownley
Tue Oct 04, 2016 5:15 pm
Stacking PST with a quark

Last post by nickatnight « Sat Aug 27, 2016 11:31 pm
Replies: 8
by Solar B » Wed Sep 02, 2015 8:56 am

8 Replies

2351 Views

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

Last post by marktownley « Tue Aug 23, 2016 7:50 am
Replies: 2
by GreatAttractor » Sun Aug 21, 2016 8:26 am

2 Replies

1464 Views

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

Last post by solarmax2016 « Sat Aug 20, 2016 4:00 am
Replies: 10
by Solar-Cologne » Sun Nov 15, 2015 1:34 pm

10 Replies

3171 Views

Last post by solarmax2016
Sat Aug 20, 2016 4:00 am
Baader Zoom with LS50

Last post by Cometeer « Fri Aug 12, 2016 10:21 pm

by Cometeer » Fri Aug 12, 2016 10:21 pm

0 Replies

1399 Views

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

Last post by Solar B « Mon Aug 08, 2016 8:18 am
Replies: 20
by Solar B » Fri May 13, 2016 8:27 am

20 Replies

4678 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

Last post by solarmax2016 « Sun Jul 31, 2016 6:21 pm
Replies: 22
by marktownley » Sun Dec 27, 2015 9:34 pm

22 Replies

6383 Views

Last post by solarmax2016
Sun Jul 31, 2016 6:21 pm
Coronado SM40 Etalon + Lunt B600?

Last post by nicosolcy « Sun Jul 31, 2016 12:26 pm
Replies: 5
by nicosolcy » Sat Jul 30, 2016 3:41 pm

5 Replies

1717 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

1378 Views

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

Last post by highfnum « Tue Jul 05, 2016 9:06 pm
Replies: 9
by highfnum » Mon Jul 04, 2016 9:32 am

9 Replies

1785 Views

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

Last post by tklemmer « Thu Jun 23, 2016 12:07 pm
Replies: 13
by tklemmer » Mon Dec 28, 2015 9:08 pm

13 Replies

3088 Views

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

Last post by pete_w « Wed Jun 22, 2016 7:01 pm
Replies: 6
by pete_w » Thu May 26, 2016 7:49 am

6 Replies

1969 Views

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

Last post by marktownley « Thu Jun 16, 2016 12:39 pm
Replies: 5
by pete_w » Sun May 29, 2016 11:34 am

5 Replies

2003 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

1312 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

1351 Views

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

Last post by antonello « Mon May 30, 2016 10:32 am
Replies: 18
by Moriniboy » Wed May 11, 2016 6:15 am

18 Replies

2691 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

1347 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

1313 Views

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

Last post by Bojan « Fri May 20, 2016 3:11 pm
Replies: 6
by Bojan » Tue May 03, 2016 2:42 pm

6 Replies

1712 Views

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

Last post by Keramos « Mon May 16, 2016 8:22 pm
Replies: 55
by marktownley » Wed Feb 18, 2015 5:44 pm
1

2

3
55 Replies

6329 Views

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

Last post by george9 « Fri May 13, 2016 12:22 pm
Replies: 7
by george9 » Mon Mar 28, 2016 12:32 pm

7 Replies

2266 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

1149 Views

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

Last post by nabla « Tue May 03, 2016 5:46 am
Replies: 5
by GreatAttractor » Thu Dec 24, 2015 2:21 pm

5 Replies

2738 Views

Last post by nabla
Tue May 03, 2016 5:46 am
Solarmax 40 Problems

Last post by marktownley « Wed Apr 27, 2016 7:57 pm
Replies: 9
by Bojan » Mon Apr 18, 2016 6:01 pm

9 Replies

1737 Views

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

Last post by fjabet « Sat Apr 23, 2016 7:58 am
Replies: 1
by george9 » Thu Apr 21, 2016 3:00 am

1 Replies

1228 Views

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

Last post by moonshane « Mon Apr 18, 2016 11:22 am
Replies: 4
by moonshane » Fri Apr 15, 2016 12:43 am

4 Replies

1776 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

1351 Views

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

Last post by s52sk « Thu Apr 14, 2016 7:57 pm
Replies: 4
by s52sk » Sun Apr 10, 2016 6:21 pm

4 Replies

1762 Views

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

Last post by Merlin66 « Thu Apr 14, 2016 4:18 pm
Replies: 1
by nickatnight » Thu Apr 14, 2016 7:31 am

1 Replies

1201 Views

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

Last post by marktownley « Fri Apr 08, 2016 8:01 am
Replies: 7
by marktownley » Mon Apr 04, 2016 1:33 pm

7 Replies

1716 Views

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

Last post by GreatAttractor « Tue Apr 05, 2016 9:48 pm
Replies: 4
by GreatAttractor » Mon Apr 04, 2016 8:05 pm

4 Replies

3780 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

1703 Views

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

Last post by bilbo « Mon Apr 04, 2016 3:29 pm
Replies: 4
by bilbo » Fri Apr 01, 2016 8:07 pm

4 Replies

1653 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

1455 Views

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

Last post by marktownley « Mon Apr 04, 2016 6:15 am
Replies: 1
by Valery » Mon Apr 04, 2016 3:28 am

1 Replies

1041 Views

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

Last post by Moriniboy « Thu Mar 31, 2016 7:42 am
Replies: 2
by Moriniboy » Mon Mar 21, 2016 12:11 pm

2 Replies

1319 Views

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

Last post by Solar B « Sun Mar 27, 2016 12:35 pm
Replies: 5
by Bojan » Fri Mar 25, 2016 4:12 pm

5 Replies

1546 Views

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

Last post by Starry Jack « Tue Mar 15, 2016 5:01 pm
Replies: 7
by Starry Jack » Sun Mar 06, 2016 8:07 pm

7 Replies

1553 Views

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

Last post by Derek Klepp « Mon Mar 14, 2016 10:30 am
Replies: 5
by _Zakalwe » Sun Feb 28, 2016 11:48 am

5 Replies

1709 Views

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

Last post by DSobserver « Mon Feb 29, 2016 10:03 pm
Replies: 15
by highfnum » Sat Sep 19, 2015 6:30 pm

15 Replies

3606 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

11830 Views

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

Last post by Jdgoguen « Mon Feb 15, 2016 3:55 pm
Replies: 5
by Jdgoguen » Sun Feb 14, 2016 3:44 pm

5 Replies

1555 Views

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

Last post by 04Stefan07 « Mon Feb 01, 2016 7:45 am
Replies: 6
by 04Stefan07 » Wed May 20, 2015 3:43 am

6 Replies

1900 Views

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

Last post by Derek Klepp « Sat Jan 09, 2016 7:52 am
Replies: 3
by Carbon60 » Wed Jan 06, 2016 8:35 pm

3 Replies

1564 Views

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

Last post by fjabet « Fri Jan 08, 2016 5:57 pm
Replies: 13
by fjabet » Mon Mar 23, 2015 8:49 am

13 Replies

2717 Views

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

Last post by Merlin66 « Sun Dec 27, 2015 10:12 pm
Replies: 1
by highfnum » Sun Dec 27, 2015 5:25 pm

1 Replies

954 Views

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

Last post by marktownley « Sat Dec 26, 2015 6:16 pm
Replies: 1
by Kvak » Sat Dec 26, 2015 3:10 pm

1 Replies

1199 Views

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

Last post by aboy « Wed Dec 23, 2015 12:30 pm
Replies: 10
by aboy » Sat Dec 19, 2015 2:39 pm

10 Replies

2103 Views

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

Last post by marktownley « Fri Dec 18, 2015 9:41 pm
Replies: 2
by NMBob » Mon Dec 14, 2015 5:17 am

2 Replies

1271 Views

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

Last post by DSobserver « Mon Dec 14, 2015 11:23 pm
Replies: 10
by DSobserver » Wed Dec 09, 2015 1:18 pm

10 Replies

1978 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

7319 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

1347 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

2134 Views

Last post by Solar-Cologne
Sat Nov 21, 2015 3:26 am
H-Alpha Double-Refractor ?

Last post by Solar-Cologne « Tue Nov 17, 2015 11:18 pm
Replies: 9
by Solar-Cologne » Thu Nov 12, 2015 6:35 am

9 Replies

2312 Views

Last post by Solar-Cologne
Tue Nov 17, 2015 11:18 pm
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

2346 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

1466 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

1489 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

4161 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

1170 Views

Last post by marktownley
Sat Nov 14, 2015 8:39 am
Budget 150mm ERF .... quark

Last post by Neo « Fri Nov 13, 2015 8:43 pm
Replies: 8
by Solar B » Sat Sep 05, 2015 9:41 pm

8 Replies

1596 Views

Last post by Neo
Fri Nov 13, 2015 8:43 pm
I start with my first PST-Mod

Last post by marktownley « Thu Nov 12, 2015 7:26 pm
Replies: 1
by Solar-Cologne » Thu Nov 12, 2015 12:23 pm

1 Replies

1128 Views

Last post by marktownley
Thu Nov 12, 2015 7:26 pm
pst etalon and my 4 inch F12 refractor

Last post by marktownley « Sun Nov 01, 2015 8:53 am
Replies: 2
by highfnum » Sat Oct 31, 2015 6:11 pm

2 Replies

1202 Views

Last post by marktownley
Sun Nov 01, 2015 8:53 am
Next version of Mod showing great promise

Last post by marktownley « Sun Nov 01, 2015 8:52 am
Replies: 4
by Starry Jack » Mon Oct 26, 2015 12:12 am

4 Replies

1574 Views

Last post by marktownley
Sun Nov 01, 2015 8:52 am
my test using home made 90mm scope and adding pst etalon

Last post by marktownley « Sun Nov 01, 2015 8:51 am
Replies: 5
by highfnum » Thu Oct 22, 2015 11:55 pm

5 Replies

1631 Views

Last post by marktownley
Sun Nov 01, 2015 8:51 am
Baader 60mm f/4.1 Vario Finder SOLAR MOD

Last post by pedro « Sat Oct 31, 2015 9:42 pm
Replies: 6
by pedro » Sat Oct 17, 2015 12:32 pm

6 Replies

1708 Views

Last post by pedro
Sat Oct 31, 2015 9:42 pm
Rusty BF5

Last post by highfnum « Fri Oct 23, 2015 4:23 am
Replies: 7
by Solar B » Fri Oct 02, 2015 7:31 pm

7 Replies

1838 Views

Last post by highfnum
Fri Oct 23, 2015 4:23 am
SM40 neoprene screw

Last post by solarscope180 « Tue Oct 20, 2015 8:49 pm
Replies: 1
by Solar B » Tue Oct 20, 2015 6:42 pm

1 Replies

899 Views

Last post by solarscope180
Tue Oct 20, 2015 8:49 pm
st80 with solarmax 60 double stack front ealon

Last post by Merlin66 « Fri Oct 02, 2015 10:55 pm
Replies: 3
by BertUK » Thu Oct 01, 2015 8:28 pm

3 Replies

1150 Views

Last post by Merlin66
Fri Oct 02, 2015 10:55 pm
Coronado BF30

Last post by Bob Yoesle « Fri Oct 02, 2015 5:08 am
Replies: 1
by Fenrir » Fri Sep 25, 2015 1:52 pm

1 Replies

1136 Views

Last post by Bob Yoesle
Fri Oct 02, 2015 5:08 am
Newton Rings related to stress birefringence?

Last post by Merlin66 « Sat Sep 26, 2015 12:32 am
Replies: 4
by Neo » Wed Sep 23, 2015 10:06 am

4 Replies

1194 Views

Last post by Merlin66
Sat Sep 26, 2015 12:32 am
sm60 double stack

Last post by marktownley « Tue Sep 08, 2015 6:22 pm
Replies: 9
by BertUK » Mon Sep 07, 2015 8:25 pm

9 Replies

1793 Views

Last post by marktownley
Tue Sep 08, 2015 6:22 pm
I have a PST (40mm)... Need to clean scope

Last post by Neo « Thu Sep 03, 2015 10:05 am
Replies: 5
by RonDzen » Sat Aug 29, 2015 3:13 pm

5 Replies

1505 Views

Last post by Neo
Thu Sep 03, 2015 10:05 am
Quark modification- fully screwed connections

Last post by axlefoley « Tue Sep 01, 2015 11:00 am
Replies: 13
by _Zakalwe » Mon Aug 17, 2015 8:29 pm

13 Replies

3224 Views

Last post by axlefoley
Tue Sep 01, 2015 11:00 am
CaK module ERF

Last post by marktownley « Mon Aug 31, 2015 8:22 pm
Replies: 18
by Bob Yoesle » Tue Jun 09, 2015 9:57 pm

18 Replies

4444 Views

Last post by marktownley
Mon Aug 31, 2015 8:22 pm
Etalon reconnecting, Success !!!

Last post by Derek Klepp « Sun Aug 23, 2015 10:34 am
Replies: 5
by DavidG » Sat Aug 22, 2015 4:07 pm

5 Replies

1658 Views

Last post by Derek Klepp
Sun Aug 23, 2015 10:34 am
Recover a tiny BF, it's possible if ?

Last post by Geremia Forino « Sun Aug 23, 2015 7:59 am
Replies: 8
by Geremia Forino » Fri Aug 21, 2015 3:49 pm

8 Replies

1830 Views

Last post by Geremia Forino
Sun Aug 23, 2015 7:59 am
Beloptik to stack a Quark

Last post by Bob Yoesle « Tue Aug 18, 2015 3:24 pm
Replies: 31
by Solar B » Mon Aug 03, 2015 3:45 pm
1

2
31 Replies

5591 Views

Last post by Bob Yoesle
Tue Aug 18, 2015 3:24 pm
Question about back filters (Daystar, Solar spectrum)

Last post by Geremia Forino « Mon Aug 17, 2015 2:06 pm
Replies: 8
by Geremia Forino » Fri Aug 14, 2015 8:10 pm

8 Replies

1996 Views

Last post by Geremia Forino
Mon Aug 17, 2015 2:06 pm
Stacking a PST

Last post by Solar B « Sun Aug 09, 2015 12:06 am
Replies: 5
by Solar B » Sat Aug 08, 2015 11:29 am

5 Replies

1528 Views

Last post by Solar B
Sun Aug 09, 2015 12:06 am
Quark +PST mod

Last post by Valery « Sat Aug 08, 2015 11:07 pm
Replies: 5
by DSobserver » Sat Aug 08, 2015 5:10 pm

5 Replies

1405 Views

Last post by Valery
Sat Aug 08, 2015 11:07 pm

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