The Cocoon Nebula in
Hydrogen Alpha Light
Image acquired from my backyard observatory
November 2004
Astro-Physics 1200 GTO mount with Tak FSQ 106
with Extender-Q ( f/8)
CFW-8a/ ST 10XME CCD
Astronomik 14nm H-alpha filter
600sec x 15
reflector like spikes generated around bright stars
with custom diffraction mask ;-)
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