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The colors of the moon
Thursday, July 25, 2024 by Alain Paillou
Even if the Moon appears essentially gray, we can distinguish fine nuances of color (mainly blue and orange; these colors are mostly due to metallic oxides present in silica beads) particularly on the seas. Bringing out the color of lunar soils is theoretically simple: increase the color saturati...
Astrophotography filters: How narrow is too narrow
Saturday, June 29, 2024 by Jim Thompson
For many years now I have been promoting the idea that for emission nebulae, whether you have light pollution (LP) or not, the narrower your filter’s pass bands are, the better. Time and again my test results have demonstrated this relationship to be true; that object contrast and signal-to-no...
Low cost telescope SVBONY SV48P review
Tuesday, May 28, 2024 by Russ Scritchfield
The SVBONY SV48P 90mm F5.5 Refractor Telescope is currently priced at $229.99, down from its list price of $339.99, this telescope is designed to meet the needs of both novice and experienced astronomers. The SV48P is particularly well-suited for deep sky astrophotography and visual astronomy, boast...
Moon exploration bundles from SVBONY
Wednesday, May 8, 2024 by Russ Scritchfield
Have you ever looked up at the night sky and been captivated by the beauty of the Moon? As our closest celestial neighbor, the Moon presents a fascinating, accessible target for amateur astronomers and seasoned stargazers alike. Svbony recently announced the details for three new observation bu...