The
Dumbbell Nebula
M27
- The Dumbbell Nebula in Vulpecula
by
Bob and Janice Fera
A&M
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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