Reviews

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Reviews

The GSO 8-Inch Ritchey–Chrétien Telescope

I recently reviewed a Guan Sheng Optical (GSO) 8-inch classical Cassegrain telescope for Astronomy Technology Today. In this article, I review the GSO 8-inch GSO Ritchey–Chrétien.  The classical Cassegrain would be the better choice for visual use, while the Ritchey–Chrétien is the better instrument for astronomical imaging. American astronomer George […]

Local Clear Sky Chart
Reviews

Apparent Magnitude – What Is It?

Apparent magnitude is something that every beginning and experienced telescope owner has to consider. I sometimes reminisce about my first telescope, an entry-level 115mm reflector. My family let me pick out (but not touch) the scope and assorted accessories well before Christmas, a holiday that rapidly became an eggnog-induced flurry […]

QHY Polemaster Review
Reviews

QHY Polemaster Review

“When considering the QHY Polemaster I read comments about folks wishing they had purchased the PM long before they did due to its simplicity and effectiveness. I can share that sentiment.” In the absence of an observatory, typical viewing sessions require that I set up/tear down my scope du jour […]

How to Print Astroimages
Reviews

How to Print Astroimages

“How to Print Astroimages? If you want prints that get a “Wow, is that real? Did you do that?” reaction, then read on.” You’ve spent hours acquiring and processing the perfect image. It looks great on your big new computer monitor, but you have to pan around to see the […]