AAPOD2 du 28 juillet 2022

Full image

(https://www.astrobin.com/full/12wyvq/0/)

Présentation:

Sh2-115 is a faint emission nebula in Cygnus, just about 1.5 degrees northwest of Deneb, the brightest star of the constellation. Inside Sh2-115 can be found the small open cluster Berkeley 90 . For long time Sh2-116 has been considerd a planetary nebula (even has its proper designation Abell 71, PK 085+04.1,or PN G084.9+04.4). But the recent studies describe it as a small patch of emission nebula

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