NGC 7538 Tri-band

Looking for more obscure objects again. This is a young star forming region, contains masers too. Very close to the Bubble Nebula but just across the constellation boundary in Cepheus, in the Perseus arm of the Milky Way. It contains the largest known protostar (NGC 7538S) discovered to date with a diameter of the order of 300x the size of our solar system.

 

2021-11-24

250mm f4.8 Newtonian, MPCC

QHY168C @-15°C

Altair Astro Tri-band filter

30x300s

darks, flats, bias

Captured in NINA

Processed in APP, Photoshop

Done