sketches : Nebulae : Messier 17, the Swan Nebula.

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NGC 6572, the Blue Racquetball Nebula.

Messier 27, the Dumbbell Nebula.

Messier 17, the Swan Nebula.
This is one of the sky's most beautiful emission nebulae, a site of star birth. Litebox 15" F/5 Dobsonian, 13mm LVW eyepiece (147x) + OIII filter. Lake Sonoma Recreation Area, CA. 2008-08-30.

NGC 6572, the Blue Racquetball Nebula.

Messier 27, the Dumbbell Nebula.

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Photo album generated by album from Dave's MarginalHacks on Sat Nov 8 19:36:00 2008