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The Astro-Video Systems DSO-1 camera is sensitive and versatile, capable of imaging the Moon and planets one minute and deep-sky objects the next. It is also small and light, weighing just 140g, so it will not overtax even the smallest telescope mount...

Eben: Here’s a guest post from Tom Sherlock, describing how he’s been able to control a telescope using a Raspberry Pi, Mathematica and the Wolfram Language. As an amateur astronomer, I’m always interested in ways to use Mathematica in my hobby. In...

As an amateur astronomer, I’m always interested in ways to use Mathematica in my hobby. In earlier blog posts, I’ve written about how Mathematica can be used to process and improve images taken of planets and nebulae. However, I’d like to be able to...

Celestron Oxygen III Narrowband Filters Product Info Celestron Oxygen III Narrowband Filters isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum...

Deep in the far south of the zodiacal constellation Aquarius lies NGC7293, the Helix Nebula. This object illustrates one of the best examples of the last stages in the evolutionary track of a star similar to our Sun. It was discovered in 1824 by Karl...