The Swan Nebula (M17) in narrowband

Posted by warbird123
on Sunday, August 7, 2011

M17, or the Swan Nebula imaged in HA, OIII, SII and Luminance. 

Orion ED80T, ATIK 314L+, Orion Atlas EQ-G

HA, OIII and SII, 600 sec X 12, L 120 Sec X 24, captured with Nebulosity, stacked in DSS and processed in PS CS4 with HA=Red, OIII=Blue and SII=Green.  HA and Luminance combined at 50% for L channel.

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