| M3 
(Click to enlarge)
This image © Copyright 2018, Michael Fulbright Another test of my EFWmini filter wheel.
Date: 05/02/2017
Telescope: Teleskop-Service ONTC 8" f4
Mount: Astro-Physics Mach1GTO
Camera: ZWO ASI1600MM-Cool
Exposure: Baader B 1.25" CCD Filter: 60x30" (gain: 139.00) -15C bin 1x1, Baader G 1.25" CCD Filter: 60x30" (gain: 139.00) -15C bin 1x1, Baader R 1.25" CCD Filter: 60x30" (gain: 139.00) -15C bin 1x1
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