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NGC 6357

Started by gregbradley, 08/05/2007 02:05PM
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Posted 08/05/2007 02:05PM Opening Post
Greg Bradley
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Join Date: Feb 2004

Location: Kurrajong, NSW, AU

Posts: 857

RCOS 12.5 inch at F9, STL11000CM.

2 hours colour. 1:45 Ha.

http://www.pbase.com/gregbradley/image/83373882

Greg.
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Posted 08/05/2007 02:12PM #1
Thomas V Davis
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Join Date: Sep 2003

Location: Inkom ID, US

Posts: 921

Another beauty Greg! Way to turn them out!!

Tom
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Starsearch Observatory
Lat 42N 47' 00" Long 112W 10' 47"
Elev 1752m
www.tvdavisastropics.com
Posted 08/05/2007 08:55PM #2
Jim Thommes
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Join Date: Jan 2003

Location: San Diego CA, US

Posts: 1418

Nice Greg!

So did you do this with the native focal length of about 2860 mm or are you employing any reduction?
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Jim Thommes

Mak-Newt 152 mm
C8
Megrez II APO
Zenithstar 66 mm APO
G11/Gemini
ST8300M
Artemis285 Camera
Canon 350D DSLR

http://jthommes.com/Astro/
Posted 08/05/2007 10:53PM #3
dietmar hager
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Join Date: Nov 2006

Location: linz, AT

Posts: 332

hi Greg,

great job!
do I get you right?
no luminance channel - you used h-alpha as luminance...?
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clear skies, guys!
Dietmar
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www.stargazer-observatory.com
Posted 08/06/2007 12:25PM #4
Enrico Africa
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Join Date: Dec 2002

Location: West Chester OH, US

Posts: 1118

Pretty cool, Greg! Thanks for sharing some of your processing tips.

Eric
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