Bob's AstroGallery

NGC 7023

by on Sep.20, 2011, under NGC Objects

A.k.a.: Iris Nebula
A.k.a.: Caldwell 4
Type: Reflection Nebula
Distance: 1300 light years
Radius: 3 light years
Camera: Atik 314L Color
Exposure: 20x 300s, 5 darks, no flats
Filters: Hutech IDAS LPS-P2


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