I imaged this from the truly dark skies of Exmoor, Europe's 1st international dark sky reserve. 30 mins total integration time during a few clear, free of clouds, early morning hours (04:22 - 04:54). This image was published on BBC's Sky at Night magazine (January 2019).
10th November 2018, Exmoor, GMT+0, United Kingdom, TEMP: 8C, HUM: 96%, Bortle Class 3 ~SGM: 21.75 mag./arc sec2
Camera: Nikon D810A
Imaging Telescope: Takahashi FS-60CB
Correcting Lens: Takahashi Reducer 0.72x (composite focal length at 264mm and focal ratio at f/4.9)
Mount: iOptron CEM25EC
14 bit RAW (NEF)
ISO 1600, 9 x 180" subs, 1 x 120" sub
29mins
23 Darks, 23 Bias, 25 Flats
PixInsight 1.8 Core
Photoshop