The Pinwheel Galaxy, also known as M101, is a spiral galaxy that measures 170,000 lightyears across and is located 25 million lightyears away from Earth in the Ursa Major constellation. The galaxy is about twice the diameter of our own galaxy the Milky Way and is thought to contain about 1 trillion stars.
Imaging Telescope: Vixen ED81s f/7.7
Mount: Skywatcher HEQ5 Synscan Pro (belt mod)
Camera: QHY 533M
Filter Wheel: QHY CFW3S-SR
Guiding camera: ZWO ASI120MM Mini (mono)
Guidescope: SkyWatcher EvoGuide 50ED
Constellation: Ursa Major
Date: 19 Aug 2024
Location: Albireo Observatory 3, Achaia, Greece
Sky brightness: B2
Exposure Time:
L: 6x120 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1
R: 6x120 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1
G: 6x120 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1
B: 6x120 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1
Acquisition: N.I.N.A v3
Processing: Pixinsight, Photoshop
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