Bob's AstroGallery

Bubble Nebula

by on Dec.15, 2010, under Caldwell Objects

A.k.a. Bubble Nebula
A.k.a. Caldwell 11
Type: Emission Nebula
Constellation: Cassiopeia
Camera: Atik 314L color
Exposure: 6x600s light frames, 4x 600s dark frames
Filters: none


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