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Sky-Watcher HAC125DX Mini astrograph
Thursday, July 31, 2025 by Russ Scritchfield
There’s something about a small telescope that reminds me of a pocketknife in some ways. It may not look like much at first, but if it’s well built and purpose driven, it can surprise you with just how capable it really is. The Sky Watcher HAC125DX Mini astrograph falls into that categor...
StellaMira 86mm astrophotography refractor
Tuesday, June 24, 2025 by Richard Harris
Priced at $1,525, the StellaMira 86mm ED Quadruplet f/7 Flatfield Refractor Telescope presents an outstanding value proposition for astrophotographers seeking a premium flat-field refractor without venturing into high-end professional pricing tiers. It belongs to a class of telescopes designed speci...
Dual band filter from Antlia arrives
Tuesday, June 10, 2025 by Richard Harris
The Antlia ALP-T Dual Band 3nm SII & OIII Filter is a dual narrowband optical filter designed for astrophotography with color cameras. It isolates two specific emission lines, Sulfur-II at 672.4 nanometers and Oxygen-III at 500.7 nanometers, allowing users to image nebulae that emit strongly in ...
Starlight as Data: Understanding astrophotography in science and art
Wednesday, April 16, 2025 by Richard Harris
When an astrophotographer proudly proclaims, "I captured five hours of data on the Orion Nebula last night," what do they really mean? In everyday terms, they took a long series of photographs of a nebula. But those images are more than just pretty pictures, they are measurements of light,...