M8, M20, and NGC 6559: H-AlphaRGB mosaic

Posted by StevenWissler
on Friday, April 27, 2012

M8 M20 and NGC 6559 HAlphaRGB mosaic from Sierra Madre, CA. 12.5 miles NE of Downtown Los Angeles

RBG with Astonomik CLS Filter, HAlpha with Astronomik 6nm H-Alpha clip in filter.

Scope used and reducer: 80mm Meade ED/APO w/AstroTech Field Flattener
Mount Used: 10" LX200 ACF w/ FIshcamp Starfish guide camera
Camera Used: Cooled, Modified Canon EOS T1i
ISO/Exposure: 4 Panel Mosaic, ISO 1600 , 24x300 seconds per panel RGB, 12x600 second for H-Alpha
Location: Sierra Madre, CA Bortle 7 Sky, July and August 2011
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