This large but very faint ancient planetary nebula is showing a brighter rim in O-III color and a faint H-alpha glow inside.
Many faint background galaxies are shining through this nebula To the bottom left side a distant galaxy cluster is visible.
Ha O-III LRGB (560-560-300-160-160-160 min) total 31,7 h, north is up, seeing 0,9-1.3 arc-sec
80cm f/7 Astrooptik Keller cassegrain, FLI PL 16803, 3 nm NB and RGB Astrodon Gen2 filters, Prompt 7 CTIO Chile
Processing: Johannes Schedler
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