The Dumbbell Nebula


M27 - The Dumbbell Nebula in Vulpecula

by Bob and Janice Fera

Officina Stellare RC-360AST 14" f/8 Ritchey Chretien Cassegrain

SBIG STL11000M CCD Camera

Astrodon Filters

LHaRGB Composite

L:165 Ha:300 R:90 G:60 B:60 minutes

Sub-exposures: L:11x15m Ha:10x30m R:6x15m (2x2) G,B:4x15m (2x2)

Image acquired with CCDAutopilot

Processed in CCDstack, and Adobe Photoshop

Taken June 30, July 2,3,4, 2008 from Eagle Ridge Observatory, Foresthill, CA


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