About image
M53 is a globular cluster in the Coma Berenices: its apparent diameter is 12.6' and its magnitude is 7.6.
It is one of the farthest globular clusters from us, being about 58,000 light years from the Solar System and 60,000 light years from the galactic center: its linear extent is 150 light years
(info from Wikipedia)
Technical data
Optic GSO RC12 Truss - Aperture
304mm, focal lenght 2432mm, f/8
Mount 10Micron GM2000 HPSII
Camera ZWO ASI 2600 MM Pro with filter wheel 7 positions
Filters Astrodon Gen2
E-Serie Tru-Balance 50mm unmounted RGB
Guiding system ZWO OAG-L with guide camera ASI 174MM Mini
Exposure details L 44x60" bin3 -15C
R 18x60" bin3 -15C
G 18x60" bin3 -15C
B 18x60" bin3 -15C
Total integration 1h38'
Acquisition Voyager, PHD2
Processing Pixinsight 1.8,
Photoshop CS5, NoiseXTerminator
SQM-L 19.8
Location Promiod (Aosta
Valley, Italy), own remote observatory
Date 20 February/5 March 2023