North American Nebula NGC 7000
Emission Line Image
Sulfur II/ Hydrogen Alpha / Oxygen III
Imaged from my backyard
observatory in Knoxville, TN
August 2/3, 2005
FSQ 106 @f/5
ST 10XME CCD /Astronomik SII
:Ha:
OIII
filters
90:50:90
minutes
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