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Transit of Mercury in the Spicule Layer. Phil took this great image with his Quantum 6 Scope, Solar Spectrum etalon and PGR Camera.

Welcome to Solar Chat! The best forum for Solar Astronomy
Moving forward from solar cycle 24 to 25

Search found 12 matches

by dvoss
Sun Feb 25, 2018 2:42 pm
Forum: This is SolarChat !!
Topic: Sunshine!!!!!
Replies: 30
Views: 3169

Re: Sunshine!!!!!

Wow - fantastic detail and activity in your movies.

Maybe you should get one of those hydraulic cranes that car mechanics use to hoist engines around....at least until your roadie is back on the job. :D
by dvoss
Tue Jan 09, 2018 2:44 pm
Forum: This is SolarChat !!
Topic: Noise, Firecapture and imaging questions
Replies: 59
Views: 5513

Re: Noise, Firecapture and imaging questions

Alexandra, would processing in PIPP help? In addition to accepting what the SER header indicates, PIPP has a 15 bit input option.

David
by dvoss
Wed Dec 27, 2017 4:36 pm
Forum: This is SolarChat !!
Topic: Boxing Day Aurora 26th December (Updated)
Replies: 21
Views: 1371

Re: Boxing Day Aurora 26th December

Lovely pictures Mark. Aurora hunting seems a good option when the sun isn't cooperative. Whereabouts in Iceland?

David
by dvoss
Wed Dec 27, 2017 2:54 pm
Forum: This is SolarChat !!
Topic: Comparison between G band and K-line filters
Replies: 10
Views: 878

Re: Comparison between G band and K-line filters

Great images, Christian. I take it that the G-band is picking up both calcium and iron lines, or is it just calcium in the 2nm bandpass?

David
by dvoss
Mon Dec 25, 2017 4:47 pm
Forum: This is SolarChat !!
Topic: AR12671 in H-a and CaK through C11 + ARIES DERF
Replies: 9
Views: 728

Re: AR12671 in H-a and CaK through C11 + ARIES DERF

Wow - fantastic detail Valery. Really shows what the big apertures can do.

David
by dvoss
Fri Dec 22, 2017 3:38 pm
Forum: This is SolarChat !!
Topic: Animations from 2017
Replies: 11
Views: 815

Re: Animations from 2017

Great stuff! It's mesmerizing to watch the granulation cells evolve, and the flowing prominence is stunning.

David
by dvoss
Thu Dec 21, 2017 7:47 pm
Forum: This is SolarChat !!
Topic: Sol from the 19th of December 2017.
Replies: 9
Views: 817

Re: Sol from the 19th of December 2017.

Spectacular images, Eric. If I might ask - what is the difference between the one with "spline2" in the label and the previous?

David
by dvoss
Thu Dec 14, 2017 1:07 pm
Forum: This is SolarChat !!
Topic: First try at a big mosaic and an animation
Replies: 15
Views: 1250

Re: First try at a big mosaic and an animation

Really nice animation and disks Patrick.

For mosaics, I've had some luck with Autostitch

http://matthewalunbrown.com/autostitch/autostitch.html

which comes in Mac and Windows versions.

David
by dvoss
Mon Dec 11, 2017 8:47 pm
Forum: This is SolarChat !!
Topic: Hello - new solar maniac here
Replies: 11
Views: 922

Re: Hello - new solar maniac here

Thanks Alexandra - your blog has been a great help, especially regarding camera parameters. And thank you for the suggestion of ImPPG - I will give that a try.

David
by dvoss
Sun Dec 10, 2017 8:24 pm
Forum: This is SolarChat !!
Topic: Hello - new solar maniac here
Replies: 11
Views: 922

Re: Hello - new solar maniac here

Stu and Alfred, thanks very much. Tomorrow's forecast calls for morning sun and freezing temperatures, possibly an opportunity for some h-alpha captures.

cheers

David
by dvoss
Sun Dec 10, 2017 1:31 am
Forum: This is SolarChat !!
Topic: Hello - new solar maniac here
Replies: 11
Views: 922

Re: Hello - new solar maniac here

Hi Franco, Pedro, Eric:

Many thanks! The cold weather and snow have rolled in here, so I hope to use the time for processing some h-alpha observations made a few months ago.

all the best

David
by dvoss
Fri Dec 08, 2017 4:15 pm
Forum: This is SolarChat !!
Topic: Hello - new solar maniac here
Replies: 11
Views: 922

Hello - new solar maniac here

Hi all, My first post to this amazing forum. I've been engaging in extensive lurkage over the last few months, hoovering up as much knowledge as I can. I'm really struck by how much excellent information is available from so many dedicated solar observers. My primary interests are h-alpha, ca-k, and...