About four light-years in diameter, this nebula looks like a planetary but isn’t. NGC 6164 has been found to has a faint halo, which is in blue in a nice image from Russell Croman.
26 December 2022 APOD:
https://apod.nasa.gov/apod/ap221226.html
Dragon’s Egg Nebula (NGC 6164)
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Christopher K.
- Posts: 6196
- Joined: October 12th, 2009, 3:28 pm
- Location: Baton Rouge, LA