Author: Stuart Parkerson

Orion 2″ Photo-Visual Coma Corrector
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Orion 2″ Photo-Visual Coma Corrector

The new Orion 2″ Photo-Visual Coma Corrector for Newtonians minimizes the coma inherent in fast Newtonian reflectors with focal ratios from f/3.5 to f/6. Coma appears as flared, comet-shaped stars and gets progressively worse farther out from the center of the field. This coma corrector greatly reduces this effect as […]

Shelyak UVEX Spectrograph
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Shelyak UVEX Spectrograph

The Shelyak UVEX Spectrograph is a cross Czerny-Turner spectrograph design optimized for wavelengths from near UV (<400nm) to near IR (1µm) to get the best from new cameras and achromatic telescopes. As the company notes, “The UVEX Spectrograph is particularly suitable for use on Ritchey-Chretien type telescopes with a diameter […]

nPAE Maia Accessory Adaptors
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nPAE Maia Accessory Adaptors

nPAE has announced a new version of its Maia Accessory Adaptors including a T2 to 1.25″ adaptor and a 2’ version that feature 4 clamping points and a parfocal ring for precise adjustment. The new adaptors are parfocal and provide the ability to reposition an accessory in the socket in […]

New Widefield Data Subscription
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New Widefield Data Subscription

Martin Pugh Astrophotography is offering a new southern hemisphere widefield data subscription. The setup includes: – Avalon M-Zero Mount – no more meridian flips – Primary Camera: ZWO ASI 2600MC Pro One-Shot-Color with additional dual-band filter. – ASKAR 200mm f4 lens – Secondary Camera: QHY600 One-Shot Color with visible spectrum […]

Night Skies of November
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Night Skies of November

The night skies of November will be the subject this week on the Sky-Watcher What’s Up? Webcast. The Sky-Watcher team will check out the night skies of November; from the full moon, comets, meteor showers to a selection of deep sky targets to image and observe. The Sky-Watcher What’s Up? […]

ASI482MC
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New ASI Planetary Cameras

Two new ZWO ASI planetary cameras are now available. The ZWO ASI482MC and ZWO ASI485MC are cameras that offer 1.2″ format backlit sensors, extremely high sensitivity and excellent visibility at low illumination. Both cameras offer a generous sensor and excellent noise performance for imaging planets, the Moon and Sun, and […]

AG Optical Systems 17″ iDK Telescope
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AG Optical Systems 17″ iDK Telescope

AG Optical Systems has announced the company has two 17″ iDK Telescopes available in their current production run. The AG Optical Systems .4 meter (17 inch) F6.7 Imaging Dall Kirkham (iDK) telescope is an observatory-class imaging instrument featuring a 70mm flat field imaging circle free from coma, astigmatism, and field […]

ImPPG Image Post Processing Software
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ImPPG Image Post Processing Software

ImPPG is an image post processoring program that performs Lucy-Richardson deconvolution, unsharp masking, brightness normalization and tone curve adjustment. It can also apply previously specified processing settings to multiple images. All operations are performed using 32-bitfloating-point arithmetic. A new version of the software has recently been released with new features […]