Sales

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

Like new! Baader T-Ring to connect Nikon DSLR cameras onto the Astro T-2 system Results in the standard exact distance of 55.0mm from the front fac...

Like new!Features Portable power pack for your computerized Celestron telescope using Lithium-Iron Phosphate (LiFePO4) chemistry Powers your telesc...

In excellent condition! Comes in original boxFeatures This combination focal reducer and field corrector lens accessory works with all Celestron 5"...

In good condition! Comes with all accessories included, and in its original box.Features Enables automatic alignment of your Celestron computerized...

In fair conditionFeatures This Celestron T-Ring attaches to Canon EOS DSLR and SLR camera bodies Sturdy bayonet flange locks in place just like a l...

Like new!Features X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens syst...

The Boltwood Cloud Sensor II is the must-have accessory for your remote or automated observatory. Protect your valuable equipment from weather dama...

Replacement cable for your Boltwood Cloud Sensor. Custom-designed cable rated for UV exposure and in-ground installation. Available in 50 foot / 15...

A battery powered cloud sensor, perfect for those expeditions to dark-sky sites and star parties!

Replacement adapter box for the Boltwood II Cloud Sensor.

"The CSbG EcoLight is a low-impact alternative for applications where the priority is the protection of the environment and human health. It has u...

nullThe MaxDome II dome controller provides flexible, fully integrated observatory dome control. Features include: ASCOM-Standard dome and telesc...

ED127 telescope (good condition) 3" 0.7x reducer from Explore Scientific (brand new) 2" Field flattener from Explore Scientific (good condition) 6...

Indigo Filter Wheel offers a range of cutting-edge features to enhance your astrophotography and astronomical observations. This compact and effic...

Supports up to 14 kg (without counterweights). Dual-mode operation (Equatorial and ALT-AZ). Strain wave gear system for zero backlash. Wi-Fi, USB ...