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Top news results for astrophotography filter
Optolong L2 Filters Tested: The April 2026 ScopeTrader Issue
Monday, April 6, 2026 by Richard Harris
Welcome to April, where galaxies are in full bloom. Here in Missouri the skies are finally starting to settle into something usable. If the pattern holds like it usually does, we tend to get our most stable stretch somewhere between April 10th and the end of the month. Those are the nights where ...
Light pollution filter LEVIATHAN Spectral Pro
Friday, January 16, 2026 by Richard Harris
If you've been shooting under light-polluted skies soaked in LED glare, you already know exactly how ugly this has gotten. I’m lucky, I'm still sitting in a Bortle 3 pocket - but I can drive just a few miles west and watch the night get steamrolled by people "upgrading" to th...
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...
Why luminance frames miss narrowband nebula details
Monday, October 13, 2025 by Richard Harris
So you've spend a clear night capturing the Orion Nebula with your monochrome astrophotography camera. You shot one image through a luminance filter (essentially capturing all visible light), and another through a special Hydrogen-alpha (Hα) narrowband filter. When...