Adam Block Studios now offers streaming video tutorials that teach astrophotographers how to use the popular image-processing software PixInsight via comprehensive and in-depth lessons. PixInsight Fundamentals ($180) is an in-depth primer of the core functionality of the powerful software package, while PixInsight Horizons ($250) discusses many advanced techniques to help you get the most out of your image data.
Author (and former S&T editor) Stephen James O’Meara rolls out his latest ebook Diamonds in the Sky: Discover the Stars Over Botswana ($5.98). This introductory field guide to exploring the night skies is geared towards, though not limited to, anyone considering a trip to the exceedingly dark southern skies of Botswana.
Tele Vue Optics teams up with filter manufacturer Astronomik to revamp its series of nebula filters for deep-sky observing. The Tele Vue Bandmate Type 2 Filters are offered in three select passbands and are offered in ¼-inch (starting at $100) and 2-inch format ($200 and up).