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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...
The Universe, Live: Rubin Observatory Flips the Switch on Real-Time Space Monitoring
Wednesday, February 25, 2026 by Richard Harris
The NSF DOE Vera C. Rubin Observatory has turned on a new capability for astronomy by issuing its first stream of scientific alerts that report what is changing across the night sky. This is the start of a real time discovery service at observatory scale. NSF DOE Vera C. Rubin Observatory launches r...
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...
Cloudy Nights still has major issues after website upgrade
Thursday, October 16, 2025 by Richard Harris
For over two decades, Cloudy Nights has been a bit of a gathering place for amateur astronomers worldwide, along side Astromart, Astrobin, Stargazers lounge, and others. But recently this popular forum has experienced an unplanned “eclipse” of its own, it went largely dark starting...