Posts tagged M51

Supernova SN2011dh, M51

Supernova SN2011dh Caught in Messier 51

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Sometime in late May, early June a star decided that’s its time was up. The largest explosions in nature, supernova occur when massive stars use up all their nuclear fuel. They collapse on themselves and the increase in pressure once again triggers fusion. This results in a massive explosion, first theorized by squirly Caltech Physicist, Fritz Zwicky. To paraphrase Bill Bryson, supernova are very important for a lot of reasons, the least of which is that without them, we wouldn’t be

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Mizar A and B, Alcor

CGE Pro Returned – AT10RCF Back in Service!

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Back in November I picked up an AstroTech AT10RCF – and a hefty mount to hold it aloft, the Celestron CGE Pro. After a brief test and review, the mount promptly killed itself. Perhaps it was a combination of excessively low temperatures — in the teens — or perhaps it was an extension of the ‘new gear astronomy curse.’ Either way, I sent it back to Celestron for warranty repair work. Celestron was very friendly during this whole process, including several calls to update me on status. While More >

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