B.Allbutt
Messier 061
Spiral galaxy
Exposure Details
Lens Celestron Nexstar 6SE
Focal Length 1500mm
Focal Ratio f/10
Mount Alt Az fitted with wedge
Camera Nikon D5300 (unmodified)
Exposure ISO1600, 164x30sec
(total exposure 82min)
Calibration 40 darks, 40 flats, 40 bias
Date 14th April 2021
Location Southampton, UK
Sky Bortle 5
Messier 061
Spiral galaxy
Exposure Details
Lens Celestron Nexstar 6SE
Focal Length 1500mm
Focal Ratio f/10
Mount Alt Az fitted with wedge
Camera Nikon D5300 (unmodified)
Exposure ISO1600, 164x30sec
(total exposure 82min)
Calibration 40 darks, 40 flats, 40 bias
Date 14th April 2021
Location Southampton, UK
Sky Bortle 5