One of my favourite objects. Trying to do this over a series of nights. Ha first of all then add colour channels. Only 2x300s exposures in Ha so far.
| Object ID | NGC 7635 Bubble nebula (C11) Mag. 10, Size 15’x8′ H II region emission nebula Cassiopeia |
| Details | 2018-09-22 21:40-21:45 UT Bright moonlight |
| Telescope | 200mm f5 Newtonian, MPCC IDAS P2 LPR filter Guided |
| Camera | Atik 460EX, Baader 7nm Ha filter |
| Exposure(s) | 2 x 300s darks, flats |
| Capture | APT |
| Processing | Nebulosity 4, Photoshop |