You searched for "contrast"
Top news results for contrast
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...
Askar 111F APO telescope released with dedicated 0.74x reducer
Wednesday, May 20, 2026 by Richard Harris
The refractor market has become crowded over the past few years, but every once in a while a telescope shows up that feels like it was designed by people who actually spend nights under the stars. The new Askar 111F gives that impression right away. Built around a 111mm aperture with a 766mm focal l...
Private appalachian observatory retreat under Bortle 2-3 Skies
Monday, May 18, 2026 by Trey Abbe
Mountain Quest Institute invites astronomy clubs, astrophotographers, educators, and passionate observers to experience its 124-acre private estate in Pocahontas County, West Virginia - deep within the National Radio Quiet Zone and just minutes from Green Bank Observatory. Already hosting guests ...
miniCAM8 camera deep sky combo review
Wednesday, April 29, 2026 by Richard Harris
QHY is a well-recognized name in astrophotography. They build cameras trusted by professional observatories and by hobbyists like me who crave that level of excellence at a reachable price. As many of you know, the smart telescope world is booming right now - just last month I reviewed ZWO's new...