M1 The Crab ©
Ken Crawford
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Rancho Del Sol Observatory
RCOS 20" Truss - F8.3
Paramount ME
SBIG ST10XME
AO7 AP RCOS Reducer
Astrodon MegaMoag off axis guider
Astrodon 50mm Round Filters
Luminance = 90 minutes
Red = 56 minutes
Blue = 56 minutes
Green = 56 minutes
Ha = 0
SII = 0
OIII = 0
CCDAP
MaxDL
Pinpoint
Thesky 6
Pempro
CCDstack
Photoshop CS
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Ken Crawford
for a downloadable link of this image
My early work 2004