Sh2 - 129

 Posted: Apr 16th, 2026
Technical Info
Telescope/Lens: Samyang 135 mm. f/2 ED
Camera: ZWO ASI533MC Pro
Mount: JUWEI 14
Guide Scope: Askar 32 f4
Guide Camera: ZWO ASI120MM Mini
Software: Siril, Lightroom
Accessories: EAF, EFW MINI, ASIAIR MINI, Dounstep Rings, Printed Rings
Exposure:
48 x 300" ISO/Gain: 100 - Optolong L-eXtreme
Orange, Bortle 6 zone:
 Samara, Russia
 Apr 16th, 2026
4 h 0 m
20
Resolution: 2692x2680 px
Scale: 5091 KB
I loosened the belt and the tilt was reduced, not completely but noticeably.
Truncated mean [FWHM] 2.91, sensor tilt [FWHM]: 0.24 (8%), off-axis aberration [FWHM]: 0.49
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