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Top news results for emission nebula
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...
Seeing color clearly with color science tools
Thursday, March 26, 2026 by Russ Scritchfield
Spend enough hours staring at a screen trying to tame a stacked image and you learn that color is not a flavor choice. It is a measurement problem, full of assumptions about spectra, sensors, displays, and our own eyes. We publish images on the web, and the web speaks sRGB by default. That means eve...
Mirrorless astrophotography camera from OM System lands
Wednesday, February 11, 2026 by Russ Scritchfield
While dedicated astro cameras and smart telescopes steal the spotlight in astrophotogtraphy, some photographers are still waiting for something else: a regular DSLR camera that can shoot the Milky Way as well as it shoots a sunset - without needing a separate “astronomy-only” rig. Mee...
Why luminance frames miss narrowband nebula details
Monday, October 13, 2025 by Richard Harris
So you've spend a clear night capturing the Orion Nebula with your monochrome astrophotography camera. You shot one image through a luminance filter (essentially capturing all visible light), and another through a special Hydrogen-alpha (Hα) narrowband filter. When...