Ca-H full disc of Sept. 13th

this is the main message area for anything solar :)
Post Reply
User avatar
krakatoa1883
Almost There...
Almost There...
Posts: 1041
Joined: Sat Jun 11, 2016 9:41 am
Location: Mediolanum
Has thanked: 153 times
Been thanked: 496 times

Ca-H full disc of Sept. 13th

Post by krakatoa1883 »

Just a full disc today, there is little to see on the chromosphere and nothing on the photosphere apart some facular zones. I noticed some prominences in calcium light but sky is hazy today and images would be too noisy. I also add an image of AR12721 taken on Sept. 10th before the group lost all of its spots.

After some tests I decided not to use anymore of IMPPG for processing calcium images, I have the impression that it likely generates small scale artifacts, for the below image I used of IRIS instead.
Attachments
2018-09-10-1443-RB-CaH-AR12721.jpg
2018-09-10-1443-RB-CaH-AR12721.jpg (85.52 KiB) Viewed 1339 times
2018-09-13-0830-RB-CaH-fulldisc.jpg
2018-09-13-0830-RB-CaH-fulldisc.jpg (99.65 KiB) Viewed 1344 times


Raf
My solar images and reports with articles on solar equipment
User avatar
Montana
Librarian
Librarian
Posts: 34563
Joined: Mon Oct 17, 2011 5:25 pm
Location: Cheshire, UK
Has thanked: 17672 times
Been thanked: 8790 times

Re: Ca-H full disc of Sept. 13th

Post by Montana »

I agree, I don't use IMPGG for CaK either. I have never really settled on what I like but AstraImage is what I usually turn to. I find IMPGG seems to create tiny dots which I am not sure is correct. I try to study the video as close as I can, then try and replicate what you see in processing, the eye never lies and is usually the best judge.

These are excellent photos :bow
Alexandra


User avatar
ffellah
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 11172
Joined: Mon Oct 27, 2014 6:46 pm
Location: Westport, CT USA
Has thanked: 9144 times
Been thanked: 6025 times

Re: Ca-H full disc of Sept. 13th

Post by ffellah »

Lovely images, Raf

Franco


User avatar
p_zetner
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 1644
Joined: Sun Mar 18, 2012 4:59 pm
Location: Winnipeg, Manitoba, Canada
Has thanked: 166 times
Been thanked: 719 times

Re: Ca-H full disc of Sept. 13th

Post by p_zetner »

Nice images, Raf.

I agree about ImPPG. I'm always worried it leaves small scale artifacts with CaK. I use ImagesPlus .. very slow but, I think, more reliable deconvolution.

Cheers.
Peter


User avatar
krakatoa1883
Almost There...
Almost There...
Posts: 1041
Joined: Sat Jun 11, 2016 9:41 am
Location: Mediolanum
Has thanked: 153 times
Been thanked: 496 times

Re: Ca-H full disc of Sept. 13th

Post by krakatoa1883 »

Thanks everyone.

I never used ImagesPlus, I'll try, thanks Peter for your suggestion.


Raf
My solar images and reports with articles on solar equipment
User avatar
eroel
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 9408
Joined: Mon Dec 19, 2011 10:45 pm
Location: México D.F.
Been thanked: 4904 times

Re: Ca-H full disc of Sept. 13th

Post by eroel »

Raf:
Beautiful images.
Regards,
Eric.


User avatar
marktownley
Librarian
Librarian
Posts: 42272
Joined: Tue Oct 18, 2011 5:27 pm
Location: Brierley Hills, UK
Has thanked: 20435 times
Been thanked: 10245 times
Contact:

Re: Ca-H full disc of Sept. 13th

Post by marktownley »

Good shots Raf!


Image
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
Post Reply