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Astronomy in November 2025
Wednesday, November 5, 2025 by Richard Harris
This month offers a bit of everything: a once-in-a-lifetime interstellar visitor passing through, a brilliant supermoon lighting up the sky, two bright comets fading out after their October glory, planets dancing in interesting ways, and even a couple of meteor showers ...
Most distant Milky-Way-like galaxy discovered
Thursday, October 17, 2024 by Richard Harris
A recent observation by the Very Large Telescope (VLT), operated by the European Southern Observatory (ESO), has provided remarkable insights into the merger of two galaxy clusters, Abell 115. Located over two billion light-years away, the system's complex structure and dynamics offer a glimpse ...
Astrophotography filters: How narrow is too narrow
Saturday, June 29, 2024 by Jim Thompson
For many years now I have been promoting the idea that for emission nebulae, whether you have light pollution (LP) or not, the narrower your filter’s pass bands are, the better. Time and again my test results have demonstrated this relationship to be true; that object contrast and signal-to-no...