AstroTech 8" Ritchey Chretien + Sirius MountCanon 40D guided with Borg 45ED Orion SSAG
60 1-minute exposures at F6.4 (WO 0.8x) ISO 400
Sunday, July 4, 2010
M27 Dumbbell Nebula
AstroTech 8" Ritchey Chretien + Sirius MountCanon 40D guided with Borg 45ED Orion SSAG
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