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ASI2600MM vs ASI6200MM vs ASI461MM: Sensor Sizes
Sunday, August 2, 2026 by Richard Harris
There is a surprising amount of confusion surrounding astronomical camera sensor sizes. I regularly hear one group argue that full frame is automatically better, while another insists that larger sensors are basically identical to smaller ones except for the amount of sky they capture. Neither posit...
PrimaLuceLab OUTPOST 3M Dome: Specs, Price and Buyer's Guide
Thursday, July 16, 2026 by Richard Harris
Before I get into the technology itself, I have to admit, I really like seeing companies rethink products that have looked essentially the same for decades. Observatory domes haven’t changed much over the years. Most of us just accepted that if you wanted a dome, you needed a rotating structur...
Questar is gone: The fate of the world's most famous compact telescope
Friday, July 3, 2026 by Richard Harris
Like a lot of amateur astronomers, I can still remember flipping through Astronomy magazine in the 1980s and stopping on those Questar ads. There it was, this small, polished, precision telescope photographed like a fine instrument, not just another piece of astronomy gear. I wanted one pretty bad b...
RC-Astro stand alone tools now
Tuesday, June 30, 2026 by Richard Harris
RC-Astro tools are moving beyond the plugin-only workflow. BlurXTerminator, StarXTerminator, and NoiseXTerminator are now available through a new stand-alone RC-Astro command-line interface, giving astrophotographers, developers, and astronomy software projects a more flexible way to use RC-Astro...