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“Alkor” Lacerta N25010c Newtonian, f/D = 4 SX Trius 694, Baader LRGB filter
10micron GM2000 HPS II, unguided
Ha+[NII] 112x10 min / L 35x10 min / RGB 19x10 min per filter
15 h 20 min for LRGB-image / 34 h for Ha-LRGB-image
data acquired remotely using CCD Commander
NGC 7635 in Cassiopeia
Emission nebula
Cas
2020-08-31 + 09-02+03+04+05+13+14+15+16+17
7 100 ly
NGC 7635 is located in the HII region Sh2- 162. The bubble is formed by the stellar wind of the star SAO 20575, whose ejected gases hit the surrounding molecular cloud, creating a shock front.
11 mag (B)
15’ x 8’