Interesting object - Planetary nebula has no listing in ‘Star Clusters and Planetary Nebulae’ overlay

Interesting things
1

https://www.legacysurvey.org//viewer/?ra=119.4729&dec=53.4263&layer=ls-dr9&zoom=11

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I agree with you. We are still missing lots of star clusters and planetary nebulae that should be included in the layer

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3

I found another planetary nebula in Hercules that has no mention, it is called PN A66 39. Any idea?:thinking::thinking:

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4

I looked on Simbad and it says it’s PN ARO 121

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I dont understand - there are thousands of of these beauties catalogued before, so possibly will create a new catalog overlay of ‘star clusters’ and planetary nebulae. They are only catalogued in the New General Catalogue.

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it’s mention in simbad as PN A66 39
Abell 39 - Wikipedia

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It is called Jones-Emberson 1 The Headphone Nebula PN ARO 121