M51 Whirlpool Galaxy M51 Whirlpool Galaxy

San Diego City Limits
M51 Whirlpool Galaxy - Canes Venatici
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Meade LX200 Classic - 10 inch SCT - AO-7 Guiding
SBIG ST8XME CCD Camera @ f/10
6x600 seconds bin 1x1 for Luminance - 1x600 bin 2x2 each RGB
Processed using CCDOps-CCDSharp-AIP-PhotoShop

Image: M51 Whirlpool Galaxy by Patric Knoll - 2006
M51 in Hydrogen-alpha
Luminace is as previous image with 3x10 minutes Ha in place of red image.


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