B.Allbutt
Messier 053
Globular Cluster
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, 61x30sec
(total exposure 30min 30sec)
Calibration 40 darks, 40 flats, 40 bias
Date 14th April 2021
Location Southampton, UK
Sky Bortle 5
Messier 053
Globular Cluster
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, 61x30sec
(total exposure 30min 30sec)
Calibration 40 darks, 40 flats, 40 bias
Date 14th April 2021
Location Southampton, UK
Sky Bortle 5