B.Allbutt
Messier 033
Spiral Galaxy
Exposure Details
Lens Celestron Nexstar 6SE
Focal Length 1500mm, (0.63 reducer)
Focal Ratio f/10 (f6.3)
Mount Alt Az fitted with wedge
Camera Nikon D5300 (unmodified)
Exposure ISO1600, 186x30sec
(total exposure 93min)
Calibration 40 darks, 60 flats, 60 dark flats, 40 bias
Date 22th November 2021
Location Southampton, UK
Sky Bortle 5
Messier 033
Spiral Galaxy
Exposure Details
Lens Celestron Nexstar 6SE
Focal Length 1500mm, (0.63 reducer)
Focal Ratio f/10 (f6.3)
Mount Alt Az fitted with wedge
Camera Nikon D5300 (unmodified)
Exposure ISO1600, 186x30sec
(total exposure 93min)
Calibration 40 darks, 60 flats, 60 dark flats, 40 bias
Date 22th November 2021
Location Southampton, UK
Sky Bortle 5