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Lesson Tag: Asterism

Trapezium, in the Orion Nebula

Target Type Right Ascension Declination Constellation Magnitude Size Trapezium Star system 05h 36m 15s -05° 22′ 41″ Orion +5.1 20 arcseconds Recently, I was testing out a new zoom eyepiece. I use it on last months challenge number two, the double stars of Orion. Whilst in Orion, I can never resist the temptation to look …

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Kemble’s Cascade, Asterism

Target Type R. A. Dec. Constellation Magnitude Size Kemble’s Cascade Spiral Galaxy 03h 59m 03s +62° 54′ 00″ Camelopardalis n/a 150 x 15arcmins Overview We’re starting our December 2021 challenges with a pretty little asterism. On the face of it, Kemble’s Cascade sounds quite plain. The asterism is a straight line! But that doesn’t tell …

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