Discovery of the M31 [OIII] emission arc
Recently, a major discovery by an international team of amateur astronomers and scientists has become a huge online hit, and this new discovery is just located in one of the
Discovery Astrophotography with ZWO ASTRO
[Video] ZWO 8 Position Electronic Filter Wheel
by Chuck’s Astrophotography
2017.5.24
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This is my new ZWO 8-position electronic filter Wheel (EFW). This filter wheel supports the 1.25″/31mm size. I bought this because I was tired of having to swap out broadband and narrowband filters when I used the 5 position filter wheel. An EFW is a must for astrophotography.
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