NGC 4361 a Planetary Nebula in Corvus
Here is an obscure little planetary nebula in Corvus. It mainly emits in H alpha and in the past has been mistaken for a galaxy due to what looks like spiral arms.
Details 6X5min ISO 1600,TAL 200k 200mm at F 9.0, LPR filter,stacked with Registar levels and curves in Photoshop.
Pic one full frame. Pic two a 100% crop to show detail.
Bert
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