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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...

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New Space Capitalism: An argument for capitalism in the new frontier

Monday, June 22, 2026 by Russ Scritchfield

A clear shift is underway in how humanity reaches and uses space. New Space Capitalism makes the case that market forces are not only compatible with exploration, they are the engine that can scale it. Dr. Rainer Zittelmann, author of the well researched new book New Space Capitalism, argues that ca...

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Pleiades star cluster meets Supermoon in the night sky

Thursday, November 6, 2025 by Richard Harris

You can observe a unique celestial pairing as the Pleiades star cluster aligns closely with the full Moon, commonly referred to as a supermoon. This alignment offers a distinctive visual contrast between the bright lunar surface and the faint blue stars of the cluster. The event provides a natural o...

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ZuluAlpha remote observatory phase 1 reservation now open

Monday, October 20, 2025 by Austin Harris

The newly launched ZuluAlpha remote observatory near Sutherland, South Africa, is now accepting reservations for Phase 1 of its remote hosting facility. Built on a high plateau under some of the darkest skies on Earth, the observatory allows astronomers, astrophotographers, and research institutions...

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