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Cluster

Challenge #2 –

Target Type R.A. Dec. Constellation Magnitude Size C1 (NGC 188) Open Cluster 00h 47m 28s +85° 15′ 00″ Cepheus 8.1 17.0 arcmin Overview Look at the declination number and you can see immediately that this cluster is less than five degrees from the north celestial pole. It’s so close to Polaris, that it’s surprising to […]

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Challenge #1 –

Target Type R. A. Dec. Constellation Magnitude Size M41 (NGC 2287) Open Cluster 06h 46m 01s -20° 45′ 00″ Canis Major 4.5 39 arcmins Overview M41, the open cluster also known as the Little Beehive Cluster is bright enough that it may first have been recorded by Aristotle in 325 BC. We know it was

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M52, Open Cluster in Cassiopeia

Target Type R. A. Dec. Constellation Magnitude Size M52 (NGC 7654) Open Cluster 23h 24m 48s +61° 35′ 00″ Cassiopeia +6.9 15.0 arcmin Overview M52 was discovered by Charles Messier in September 1774. It’s a lovely, easy object for us to find, located in one of the most recognizable parts of the night sky: the

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M45, the Pleiades in Taurus

Target Type R. A. Dec. Constellation Magnitude Size M45 Open Cluster 03h 47m 00s +24° 07′ 00″ Taurus +1.50 120 arcmin Overview This is a super-easy Messier object to find and is beautiful enough to come back to time and again. Known as the Seven Sisters, the Pleiades is an open cluster of stars discovered

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