M17
The
Swan Nebula
M17-
The Swan Nebula in Sagittarius
by
Bob and Janice Fera
Parallax
Instruments 12.5" f/9 Ritchey Chretien
Yankee
Robotics Trifid-2 6303E
Astrodon
Filters
LHaRGB
Composite - 60:120:80:80:80 minute exposures
LRGB
Sub-exposures: 10-minutes, Ha Sub-exposures: 30-minutes, RGB binned
2x2
CCDstack,
MaxIm/DL with RC-Astro plugin, AIP4WIN, and Adobe Photoshop
Taken
June 29-30, 2006 from Eagle Ridge Observatory, Foresthill, CA
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