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IC 5146 --- The Cocoon Nebula


From the author of   Sizing Up The Universe

Hα images from July 9, 2009 and Sept 5, 2016


20:22 EDT, Sept 5, 2016
Trius SX-694 on 10" RC
Hα = 108 mins.
R = G = 5 min, B = 48 min.
Plus images from July 9, 2009 (see below).


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

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