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IC 5146 --- The Cocoon Nebula


From the author of   Sizing Up The Universe

Ha
IC5146

L=Ha, R=Ha, G=OIII, B=OIII
IC5070

23:12 EDT, July 9, 2009
Starlight Express SXV-H9 on 10" RC
Ha = 130 mins, OIII = 20 mins (in 10 min guided increments),
No image enhancement. Seeing: FWHM = 1.3 arcseconds. Full Moon!

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