NGC7822 is star-gas-dust cloud in Cepheus constellation. As you probably already know these are perfect conditions for star forming, and that is also the case here in this emission nebula. Surrounding gas cloud is Sharpless 171, and young (few millions years) open cluster inside is Berkeley 59. Whole complex is placed about 3000 light years away. Berkeley 59 contains also hottest known star within 3000 light years from Sun. It is BD +66 1673 of spectral type O5V. Surface temperature 45000K, and luminosity 100000 times more than Sun. It is placed little up and right of “Y” shape star figure, at the border of dark dust lane.
27.09.2016, TS130/910 0.79x, Atik383, EQ6, Baader Ha 30×15 minutes, suburban sky.
Large version here https://astrojolo.com/wp-content/uploads/2016/11/N7822-50.jpg
Clear skies!
