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FROM THE OBSERVATORY · 10-Sep-2019

Messier 22 Globular Cluster

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Messier 22 Globular Cluster
10600 light years away, Messier 22 is one of the closest and brightest globular clusters visible from Earth.
BEHIND THE IMAGE

Notes from the session

Image:
56x 220s Red
58x 220s Green
53x 220s Blue


Total integration 10 hours, 12 minutes.

Hardware:
Skywatcher Black Diamond 80ED
Skywatcher EQ8 Pro mount
QSI 683-ws8 Camera @ -15°C
Astronomik deep sky RGB filters
Starlight Xpress Lodestar X2 Autoguider
Innovations Foresight ONAG
Starlight Instruments Feather Touch Focuser + Posi Drive Motor



Location:
Imaged on 21st July and 23rd July 2019.
Orange zone in Brisbane, Australia. (Bortle 7)



Software:
Planning & camera alignment with Aladin 10
Captured with TheSkyX Professional
Guiding with PHD2
PixInsight: Calibrate, align, integrate, dynamic background extraction, RGB combination, noise reduction, photometric color calibration, histogram, curves, crop.