NGC5457

 Posted: Apr 2nd, 2026
Technical Info
Telescope/Lens: Canon 75-300mm
Camera: Canon 60D Ha and TEC mod
Mount: DIY монтировка на гармонических редукторах
Guide Scope: Svbony sv165
Guide Camera: ZWO 120MM Mini
Software: PixInsight
Exposure:
41 x 100" ISO/Gain: 800 - 53 кадра выброшено из-за периодической ошибки пластиковых редукторов
 Brest, Belarus
 Mar 29th, 2026
1 h 8 m
9
Resolution: 2285x1682 px
Scale: 5992 KB
My first full test of an equatorial mount with harmonic drives. Everything was 3D printed using this project: https://www.printables.com/model/273812-keen-one-harmonic-drive-eq-mount/files

The project isn't perfect; there are things to improve. I will reprint the harmonic drive to enhance the tracking.
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