M101

Posted: Jan 25th, 2026

Technical Info

Telescope/Lens: Sky-Watcher 150/750

Camera: ZWO ASI533MC Pro

Mount: Juwei 17

Guide Scope: ZWO OAG

Guide Camera: ZWO ASI220MM

Software: Siril

Accessories: Baader MPCC

Exposure:

134 x 90" ISO/Gain: 101 - SVBONY UV/IR Cut

White, Bortle 8/9 zone:

Tokyo, Japan

Jan 25th, 2026

3 h 21 m

Resolution: 2817x2848 px

Scale: 4585 KB

Add comment

Are 90-second sub-exposures too long for this level of light pollution?

Yesterday, at 15:32 Reply

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