2020-09-10 - FD dualband comparison + prom

this is the main message area for anything solar :)
Post Reply
User avatar
JochenM
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1780
Joined: Tue Dec 10, 2019 2:26 pm
Location: Belgium
Has thanked: 167 times
Been thanked: 509 times

2020-09-10 - FD dualband comparison + prom

Post by JochenM » Thu Sep 10, 2020 1:10 pm

After a very long absense; the sun graced us with its presence over here again. It won't last long; but I'll take what I can get :)

At first sight, not overly much going on at our parent star. The only two things that really stand out are a fairly sizeable prominence on the southeastern limb as well as a plage in the south. So those were the targets for today's session.

Setup:

HA: Lunt LS50 b600, IMX178.
CaK: 80ED (stopped down to 60mm), Lunt CaK b1800, IMX178.

Thanks for looking!

ImageSun - dualband comparison. by Jochen Maes, on Flickr

ImageSolar prominence. by Jochen Maes, on Flickr


All my images at: https://flickr.com/photos/jochenmaes/
My photography site: http://jochenmaes.com/

User avatar
Montana
Librarian
Librarian
Posts: 23595
Joined: Mon Oct 17, 2011 5:25 pm
Location: Cheshire, UK
Has thanked: 2098 times
Been thanked: 728 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by Montana » Thu Sep 10, 2020 1:31 pm

Super!! glad to hear you have the Sun again and some great images :bow :hamster: cloud all day here.

Alexandra



User avatar
ffellah
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 3947
Joined: Mon Oct 27, 2014 6:46 pm
Location: Westport, CT USA
Has thanked: 574 times
Been thanked: 317 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by ffellah » Thu Sep 10, 2020 1:54 pm

Beautiful images, Jochen. Interesting that you got some very nice images with the Lunt 50. I assume you took flats for that. How do you take your flats with the Lunt 50 ? Do you just defocus or put some transparent material over the front lens ?

Franco




User avatar
JochenM
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1780
Joined: Tue Dec 10, 2019 2:26 pm
Location: Belgium
Has thanked: 167 times
Been thanked: 509 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by JochenM » Thu Sep 10, 2020 2:20 pm

Thanks all; I'm honored.

Franco, I actually never take flats (can't be bothered :D ). What I do however, is apply an artificial flat (for lack of a better word) in Photoshop. See the link below (writeup by Marty) for an idea of what that means exactly. The actual values used obviously differ a bit from one image to the next; but you get the general idea.

https://www.cloudynights.com/topic/5799 ... try7924640


All my images at: https://flickr.com/photos/jochenmaes/
My photography site: http://jochenmaes.com/

EGRAY_OBSERVATORY
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1332
Joined: Mon May 18, 2020 4:45 pm
Location: Essex, S.E.England
Been thanked: 604 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by EGRAY_OBSERVATORY » Thu Sep 10, 2020 5:30 pm

Fab images and on SPOD today Jochen.
Thanks to yourself and Pedro at least, I failed to put my images the right way up, due to the scope reversal, but hey at least like you, the weather opened-up today - at last...

Regards
Terry



User avatar
DeepSolar64
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2790
Joined: Thu Sep 05, 2019 12:19 am
Location: Edneyville North Carolina U.S.A.
Has thanked: 1051 times
Been thanked: 1175 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by DeepSolar64 » Thu Sep 10, 2020 5:39 pm

Very nice Jochen! Awesome SPOD!!


Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Traq 60mm with Baader AstroSolar film
Lunt, Coronado, TeleVue, Orion, Celestron and Sears eyepieces

Image Visual Observer
" Way more fun to see it! "

User avatar
JochenM
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1780
Joined: Tue Dec 10, 2019 2:26 pm
Location: Belgium
Has thanked: 167 times
Been thanked: 509 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by JochenM » Thu Sep 10, 2020 7:13 pm

Thanks Terry/James.


All my images at: https://flickr.com/photos/jochenmaes/
My photography site: http://jochenmaes.com/

User avatar
eroel
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 6141
Joined: Mon Dec 19, 2011 10:45 pm
Location: México D.F.
Been thanked: 744 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by eroel » Fri Sep 11, 2020 2:11 pm

Jochen, a very nice comparison and images.
Best regards and have a sunny weekend.
Eric.



User avatar
JochenM
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1780
Joined: Tue Dec 10, 2019 2:26 pm
Location: Belgium
Has thanked: 167 times
Been thanked: 509 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by JochenM » Sat Sep 12, 2020 12:38 pm

Thanks Eric. Have a good weekend.


All my images at: https://flickr.com/photos/jochenmaes/
My photography site: http://jochenmaes.com/

User avatar
rsfoto
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2777
Joined: Mon Jun 18, 2012 8:30 pm
Location: San Luis Potosi, México
Has thanked: 1314 times
Been thanked: 932 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by rsfoto » Sat Sep 12, 2020 5:35 pm

Hi Jochen,

Well done and I have not seen the Sun for the last 10 days or at least had a hole big enough to record my videos.


:cry: :cry: :cry:


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

User avatar
JochenM
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1780
Joined: Tue Dec 10, 2019 2:26 pm
Location: Belgium
Has thanked: 167 times
Been thanked: 509 times

Re: 2020-09-10 - FD dualband comparison + prom

Post by JochenM » Sat Sep 12, 2020 7:04 pm

Thanks Rainer.

I was honestly already wondering (used to seeing your images/posts). Fingers crossed that it'll pass soon enough!


All my images at: https://flickr.com/photos/jochenmaes/
My photography site: http://jochenmaes.com/

Post Reply