Author: Stuart Parkerson

Image 1: The 2.25-pound, 84.4 watt-hour PowerTank next to a 22-pound, 12-volt, 22-Ah Sears DieHard 1150 sealed lead-acid battery
Reviews

Celestron Lithium PowerTank Review

Celestron Lithium PowerTank Review: The leaps between the technology of today versus that when I received an un-motorized equatorial 114-mm Newtonian reflector as a 10-year-old in 1988, are mind boggling. I would have barely recognized today’s average reflectors, with red-dot finders, go-to drives, things that plug and unplug, and that […]

Genika Astro Image Acquisition Software
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Genika Astro Image Acquisition Software

AiryLab’s Genika Astro is an astro image acquisition software dedicated to astronomical imaging. It supports high-speed cameras and sensors such as CCD, CMOS, sCMOS, EMCCD and NIR sensors from manufacturers including Andor, AVT, Basler, IDS, PointGrey, Raptor Photonics, Celestron, The Imaging Source and ZWO. Genika Astro offers enhanced performance for […]

Explore Scientific 92 Degree Eyepiece Review
Reviews

Explore Scientific 92 Degree Eyepiece Review

Explore Scientific 92 Degree Eyepiece Review: Due to primarily using Dobsonians and altitude/azimuth scopes, I’ve long enjoyed and preferred wide-field eyepieces to the standard 40-50 degree oculars. And with the continued advancement in optical coatings, I’ve found that light transmission loss from eyepieces that incorporate more lens elements has become […]

Sky-Watcher Stargate Dobsonian
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Sky-Watcher Stargate Dobsonian

Sky-Watcher Stargate Dobsonian is a truss-tube Dobsonian telescope that offer serious aperture for those looking to sail farther into the depths of the cosmos in big – and even bigger – deep-sky-gobbling apertures of 18 and 20 inches. For those stepping up from the 12-inch instruments, the 18-inch Sky-Watcher Stargate […]

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Reviews

Paramount MYT Robotic Telescope Mount

Paramount MYT Robotic Telescope Mount: I was the observatory director for the Kaua`i Educational Association for Science and Astronomy (KEASA). We shared our observatory complex with Kaua`i Community College. The complex consists of a roll-off-roof observatory, a building with a 10-foot diameter Ash Dome, and a Sky Shed Pod with […]

Astronomik Clip Filter for Canon EOS
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Astronomik Clip Filter for Canon EOS

The Astronomik Clip Filter lineup for Canon EOS cameras are used for astrophotography in moderately light polluted areas and can be inserted into the camera body within seconds. There are no conversions necessary and all functions (focus, aperture, image stabilization) are completely preserved. Almost all Canon system lenses (with the […]