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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 ...
Automating Astrophotography with PULSAR
Wednesday, March 25, 2026 by Russ Scritchfield
PULSAR is a general purpose software system for reduction and processing of astronomical CCD and CMOS imaging data. Each tool performs a single well defined operation on FITS images, and the tools compose into automated pipelines that carry your work from raw frames to calibrated, combined, and enha...
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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...
Astronomy software Meridian launches in BETA
Monday, February 23, 2026 by Richard Harris
Meridian is a new native macOS app from Andrew Burwell, that scans your FITS and XISF archive and organizes it into a searchable, visual catalog of your imaging history. After more than ten years of deep sky imaging, the app's creator found that his archive spanned many drives and folder sche...