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ZWO EFW new design for 2026 just arrived

Tuesday, December 9, 2025 by Richard Harris

ZWO has released a refresh of its staple electronic filter wheel. At first glance it looks much like the version many astrophotographers already use, which appears to be the intention. Most people are not looking for new habits when a clear night finally arrives. What does stand out is a sturdier bo...

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Stephans Quintet and IFN captured by Francesco Meschia

Wednesday, September 25, 2024 by Francesco Meschia

Three years ago, and three months after getting my first astro-camera, I imaged this field with RGB filters from my backyard. Knowing nothing better, I did not collect L data at all. But in the last month I revisited this target and decided to go as deep as my sky and patience would allow. I en...

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