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Bill | all galleries >> astronomy >> astro_images >> Nebula >> 2005 > M20 - The Trifid Nebula
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7/3/05

M20 - The Trifid Nebula

Skunk Hollow Observatory

Messier 20. Shot using a Meade LX200 10" f/6.3 telescope at approx. f/4.7 using a SBIG ST-2000XM with a color filter wheel (CFW8a). 9 x 5 minutes luminance at 2x2 binned. 2 x 5 minutes each RGB channel at 3x3 binned. Acquired using CCDOps. Aligned in CCDSoft and combined in AstroArt 2.0. Dark frame and flat fields applied. Adjusted histogram and touched up in Adobe Photoshop 6.0. Self guided by the SBIG ST-2000XM imager. Reprocess 6/3/06 for better star color.

SBIG ST-2000XM,Meade LX200 10

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