NGC 5053
About image
NGC5053 is a globular cluster located in the constellation Coma Berenices, about 1 degree away from the brighter cluster M53.
NGC 5053 is known to be one of the faintest and least concentrated globulars in our galaxy: chemical analyses have confirmed that it is indeed a globular cluster and not an open cluster. It contains approximately 3,500 stars (very few for a globular!) spread over a true diameter of 160 light-years and at a distance of approximately 50000 light-years.
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 LRGB, Ha 5nm
Guiding system ZWO OAG-L with guide camera ASI 174MM
Exposure details R 37x120" bin2 -15C gain 100
G 37x120" bin2 -15C gain 100
B 37x120" bin2 -15C gain 100
Total integration 3h42'
Acquisition Voyager, PHD2
Processing Pixinsight 1.8, DxO Photolab 9, BlurXTerminator, NoiseXTerminator, StarXTerminator
SQM-L 20.94
Location Promiod (Aosta Valley, Italy), own remote observatory
Date 23 April 2026
© Roberto Marinoni 2019 - All rights reserved