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Optolong L2 Dual Combo Filters Review
Thursday, July 30, 2026 by Jim Thompson
Optolong's multi-narrowband (MNB) filter is called the L-Synergy. It has a 7nm wide pass band at O-III and another at S-II. When paired with their existing L-eXtreme filter and a one-shot colour (OSC) camera, one is able to produce nebula images using the Sulphur-Hydrogen-Oxygen (SHO...
MARS DR2 for Pixinsight dropped
Monday, June 29, 2026 by Russ Scritchfield
The newest MARS DR2 database for PixInsight is now available, and if you’re already using Multiscale Gradient Correction, this is one update that’s actually worth installing. It replaces the original MARS database with much broader sky coverage and a more complete reference, especially f...
Moon Exploration Geology And How Artemis III Unlocks Habitable Worlds
Monday, June 15, 2026 by Trey Abbe
I think the Moon still has a lot to tell us. That may sound strange at first. After all, we have been sending spacecraft there for decades. We have mapped it, photographed it, landed on it, walked on it, and brought pieces of it back to Earth. You might think by now the Moon would have given up most...
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Galaxies previously unseen discovered with help from physicist
Tuesday, March 24, 2026 by Richard Harris
I chase photons that perhaps left their homes before our oceans found their tides (if you believe photos actually travel anyway). Those photons slide into a sensor as if they are shy travelers, and if I treat them with patience they will draw a picture that was always there, just hidden under the no...