M42 The Orion Nebula

 Posted: Oct 7th, 2025
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NGC
IC
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Technical Info
Telescope/Lens: Sky-Watcher 150/750 PDS
Camera: ZWO ASI294MC Pro
Mount: EQ5 Synscan
Software: N.I.N.A., DSS, FITStacker, Siril, PS
Accessories: TS GPU 2"
Exposure:
70 x 60" ISO/Gain: 120
Orange, Bortle 6 zone:
 Leningradskaya Oblast, Russia
 Sep 30th, 2025
1 h 10 m
273
Resolution: 3291x2237 px
Scale: 5414 KB
Tried the HDR script in Siril. Didn't remove the stars beforehand, they got affected too. Halos - on the first night I didn't turn on the fan, the secondary started sweating.
Updated
  27 Nov, 2025
  8 h 50 m
Added 2-minute exposures.
Current photo
  7 Oct, 2025
  1 h 10 m
Tried the HDR script in Siril. Didn't remove the stars beforehand, they got affected too. Halos - on the first night I didn't turn on the fan, the secondary sta…
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