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AndyM
sage
Reged: 10/21/03
Posts: 268
Loc: Bavaria/Germany
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Hi Folks!
Here is a shot, taken between two thunderstorms this afternoon 
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Cheers,
Andy
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Hiram
sage
Reged: 01/06/04
Posts: 213
Loc: Cd. Delicias, Chihuahua, Mexic...
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Andreas, great image, the double stack it is great. I hope some day I get mine 
The spaceweather webpage say there is a big sunspot coming from the far side, it will emerge july 13-17
and it is growing:
Prepare for solar activity! 
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BYoesle
Post Laureate
Reged: 06/12/04
Posts: 3510
Loc: Washington USA
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Hi Andy,
That's a great full-disc shot. Colors are very close to the actual visual experience, which I prefer to many of the falsely colored yellow / orange pics I've seen. Balance between the chromosphere and prominences is also very realistic. Contrast seems to be close to that of a 0.7 angstrom filter.
Care to detail your processing techniques and equipment (exposure times, color channels and settings used, contrast and other detail enhancement settings, and/or editing/pasting of multiple images, etc.)?
I'm about to embark into digital photography using a Sony DSC-S50 2.1 megapixel with a Scoptronix adapter to the CEMAX. The majority of my processing will be done with PaintShop 7 Pro and any freeware I can download.
I note the pic states "SM 40/BF 10 (double stacked)." Are you using two SM 40's with a BF 10, an internal module, or something else? I'm using stacked SM90's with a BF 30 and a C102/1000 (see double stacking thread).
Your advice would be greatly appreciated.
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Bob  diagonally parked in a parallel universe...
Your heart is free. Have the courage to follow it.
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Special Ed
Postmaster
Reged: 05/18/03
Posts: 6339
Loc: Greenbrier Co., WV 38N, 80W
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I wonder if this big sunspot is an incarnation of AR0635? It disappeared around the Sun's limb about two weeks ago and would be due to reappear if it still exists.
Wonderful image, Andy!
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Michael Rosolina
Celestron CGE Pro 1400 f/11 SCT
1980 Orange Tube C8 f/10 SCT
4.25" f/4.2 Astroscan Reflector
50mm f/10 Galileoscope
40mm PST f/10
APM Germany HD 15x70 binoculars
Canon 12x36 IS II binoculars
Mark I Eyeball
My CN Gallery
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gpiepol
Sungazer
Reged: 05/06/03
Posts: 1255
Loc: Rising Sun Observatory
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Nice shot, Andy. Finaly, some solar activity!
Greg Piepol
www.sungazer.net
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Chris Graham
mmmm...Haggis
Reged: 04/01/04
Posts: 4886
Loc: Stirling, Scotland
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WOW!
Great shot!
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-Skywatcher 8" Reflector on HEQ5 with Skyscan
-Orion ED80 Refractor
-70mm Guidescope/grab and go scope
-Canon EOS 350D
-Toucam Pro 2
Astronomy & Veggies
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Hiram
sage
Reged: 01/06/04
Posts: 213
Loc: Cd. Delicias, Chihuahua, Mexic...
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Quote:
I wonder if this big sunspot is an incarnation of AR0635? It disappeared around the Sun's limb about two weeks ago and would be due to reappear if it still exists.
Probably they are the same, the last june 22 I got this image from them, it is sunspot group 0635 and a M-class flare
Hiram
Edited by Hiram (07/12/04 11:47 PM)
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Anonymous
Unregistered
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Great Shot Andy! Makes me want to take out the wallet and pick up an solar scope but I must resist!! Keep up the good work!!
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AndyM
sage
Reged: 10/21/03
Posts: 268
Loc: Bavaria/Germany
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Hi Bob,
I am using 2 SM40.
The image processing is very simple:
- a small gaussian blur (~0.8 Pixel)
- an unsharp mask of about 200% and 2,5 Pixel radius
For both of the two images (disc & limb)
Paint Shop should have the same functions.
It is important, that you use the highest _real_ resolution of your camera (no interpolation). Zoom is ok, but don't use the digital zoom. Then there is room enough to scale the image, as much as you need, to get a sharp one without a lot of noise.
Stacked units need much more exposure time. I use 1/4s @ ISO 400 for the disc and 1/8s @ ISO 100 for the limb.
I don't change the colors.
This setting works with my Nikon Coolpix 995 - I don't know your camera, and if this settings will work. But the best thing to find it out is trying! 
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Cheers,
Andy
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BYoesle
Post Laureate
Reged: 06/12/04
Posts: 3510
Loc: Washington USA
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Thanks Andy,
I'll be diving in shortly an will post the results.
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Bob diagonally parked in a parallel universe...
Your heart is free. Have the courage to follow it.
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iceman
Post Laureate
Reged: 03/07/04
Posts: 4846
Loc: Gosford, Australia
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Wow that's a great image! Nicely done.
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Mike
. mikesalway.com.au - Astronomy and Photography by Mike Salway
. IceInSpace - The Australian Amateur Astronomy Community
. My Bio | My Jupiter 2007 Gallery | My Image Gallery
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