Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)
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Abell 39 (L+UHC+OIII)HaRGB, andrea tasselli
Abell 39 (L+UHC+OIII)HaRGB
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Abell 39 (L+UHC+OIII)HaRGB

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Abell 39 (L+UHC+OIII)HaRGB, andrea tasselli
Abell 39 (L+UHC+OIII)HaRGB
Powered byPixInsight

Abell 39 (L+UHC+OIII)HaRGB

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Description

Abell 39 is one of the best PN in the northern sky (The Perfect O) and one of the best northern deep sky tout-court, in my view. It is also the PN I spent more time than any other to tease out of my sub-urban sky and possibly the one I spent more time of any in over 20 years of astrophotography. It was also multi-year effort as I never had enough signal (until I brought out the UHC filter). Be as it may I was quite pleased with the end result.

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