Search found 23793 matches

by marktownley
Fri Jun 22, 2018 11:11 am
Forum: This is SolarChat !!
Topic: Fridays Full Disk 22nd June
Replies: 7
Views: 48

Re: Fridays Full Disk 22nd June

Thanks Marios :)
by marktownley
Fri Jun 22, 2018 10:49 am
Forum: This is SolarChat !!
Topic: Fridays Full Disk 22nd June
Replies: 7
Views: 48

Fridays Full Disk 22nd June

Got the tilt on the camera sorted this morning with todays full disk - happily with this setup it needs very little which means todays disk is sharper from limb to limb. Hoping to laser cut some gaskets in a bit and then hopefully should be able to finalise the clocking of etalons for a more even il...
by marktownley
Fri Jun 22, 2018 5:35 am
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 22
Views: 2068

Re: lunt 50 mod

The pressure tuned module from the lunt50 telescope - use it in a collimated beam.
by marktownley
Thu Jun 21, 2018 9:47 pm
Forum: Solar Scope Modifications
Topic: lunt 50 mod
Replies: 22
Views: 2068

Re: lunt 50 mod

The sweet spot size should be about the same as with a PST Mod-2. Both etalons are air-spaced and both have the same working diameter - 20mm. The only advantage is the possibility to move the CWL of the etalon to blue and red wings. Valery Very true Valery. I think I will give my lunt50 etalon unit...
by marktownley
Thu Jun 21, 2018 7:29 pm
Forum: Solar Scope Modifications
Topic: 393.4 bp0.1 - yes it does exist.
Replies: 17
Views: 141

Re: 393.4 bp0.1 - yes it does exist.

This is about the closest I ever got to the image you shared:
CaK-Ani-BHS.gif
CaK-Ani-BHS.gif (7.96 MiB) Viewed 49 times
by marktownley
Thu Jun 21, 2018 3:41 pm
Forum: This is SolarChat !!
Topic: New activity on the Sun
Replies: 7
Views: 123

Re: New activity on the Sun

Really nice images Raf! Good info about the CaH quark
by marktownley
Thu Jun 21, 2018 3:40 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: finally some solar action
Replies: 10
Views: 120

Re: finally some solar action

Very good John!
by marktownley
Thu Jun 21, 2018 3:39 pm
Forum: Solar Scope Modifications
Topic: 393.4 bp0.1 - yes it does exist.
Replies: 17
Views: 141

Re: 393.4 bp0.1 - yes it does exist.

Looks exciting!
by marktownley
Thu Jun 21, 2018 3:38 pm
Forum: This is SolarChat !!
Topic: Thermal Acclimation of My Lunt50
Replies: 33
Views: 1179

Re: Thermal Acclimation of My Lunt50

Next steps with this, the etalon chamber is coming apart and i'm going to do a rebuild / re-engineer as needed.
by marktownley
Thu Jun 21, 2018 3:34 pm
Forum: This is SolarChat !!
Topic: Return of the Double Stack - 21st June
Replies: 9
Views: 100

Re: Return of the Double Stack - 21st June

Thanks everyone. Yup, it's the 60mm Tecnosky apo i'm using here Raf.
by marktownley
Thu Jun 21, 2018 3:30 pm
Forum: This is SolarChat !!
Topic: Out with the old ... 19/06/2018
Replies: 8
Views: 131

Re: Out with the old ... 19/06/2018

Nice new dome there and great closeups with the Tal!
by marktownley
Thu Jun 21, 2018 3:25 pm
Forum: This is SolarChat !!
Topic: Couple of H-a Pics from June 19
Replies: 4
Views: 89

Re: Couple of H-a Pics from June 19

Great images Dave!
by marktownley
Thu Jun 21, 2018 3:25 pm
Forum: This is SolarChat !!
Topic: AR2713 Saturday June 16th
Replies: 11
Views: 201

Re: AR2713 Saturday June 16th

Nice sun shots and nice bird shots too!
by marktownley
Thu Jun 21, 2018 3:23 pm
Forum: This is SolarChat !!
Topic: Prom and active region on June 19
Replies: 5
Views: 103

Re: Prom and active region on June 19

Nice closeups!
by marktownley
Thu Jun 21, 2018 3:16 pm
Forum: This is SolarChat !!
Topic: Sol from the 17th of June 2018.
Replies: 4
Views: 83

Re: Sol from the 17th of June 2018.

Nice captures Eric!
by marktownley
Thu Jun 21, 2018 3:11 pm
Forum: This is SolarChat !!
Topic: On the sun on June 17
Replies: 5
Views: 102

Re: On the sun on June 17

Thats nice Lou!
by marktownley
Thu Jun 21, 2018 11:12 am
Forum: This is SolarChat !!
Topic: Return of the Double Stack - 21st June
Replies: 9
Views: 100

Return of the Double Stack - 21st June

Hi All, Long time no sun, busy at work and when have had free time been busy with other things... Anyways, if you remember my frustrations with inconsistencies I was having with my Lunt50 scope https://solarchatforum.com/viewtopic.php?f=4&t=24369 well, I decided to go with Valerys suggestion of doub...
by marktownley
Thu Jun 21, 2018 10:52 am
Forum: This is SolarChat !!
Topic: Sundays Sodium Sun - 3rd June
Replies: 27
Views: 605

Re: Sundays Sodium Sun - 3rd June

No sun, no time. Hopefully soon!
by marktownley
Thu Jun 21, 2018 10:51 am
Forum: This is SolarChat !!
Topic: AR2713 250mm RCT
Replies: 7
Views: 149

Re: AR2713 250mm RCT

That is excellent Stu, i'm on a complete none starter with the HaT so far this year...
by marktownley
Wed Jun 20, 2018 9:19 pm
Forum: This is SolarChat !!
Topic: New activity on the Sun
Replies: 7
Views: 123

Re: New activity on the Sun

Very nice indeed!
by marktownley
Tue Jun 19, 2018 4:58 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: just a little fun
Replies: 2
Views: 85

Re: just a little fun

That's cool!