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Lesson Tag: Cluster

M38, The Starfish Cluster

Target Type R. A. Dec. Constellation Magnitude Size M38 (NGC 1912) Open Cluster 05h 28m 40s +35° 50′ 00″ Auriga +6.4 20.0 arcmin Overview This is the third bright Messier cluster in Auriga, after M36 and M37 (links open the VAC observation guides in a new tab). Known as the Starfish Cluster, it is a …

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M36, The Pinwheel Cluster

Target Type R. A. Dec. Constellation Magnitude Size M36 (NGC 1960) Open Cluster 05h 36m 18s +34° 08′ 00″ Auriga +6.0 10.0 arcmins Overview The constellation of Auriga has our Milky Way galaxy running through it. This makes it a rich star field and one that has some lovely open clusters inside. Three of the …

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M37, Open Cluster in Auriga

Target Type R. A. Dec. Constellation Magnitude Size M37 (NGC 2099) Open Cluster 05h 52m 18s +32° 33′ 00″ Auriga +5.6 14.0 arcmins Overview Our second open cluster in Auriga (after M36) is a beauty. This is a rich cluster, bright enough to be seen with the naked eye in dark locations, and the cluster …

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M34 Open Cluster in Perseus

Target Type R. A. Dec. Constellation Magnitude Size M34 Open Cluster 02h 42m 05s +42° 45′ 00″ Perseus 5.2 35.0 arcmins Overview M34 was discovered by Charles Messier and included in his infamous catalog in 1764, although we have good reason to believe that the Italian astronomer Giovanni Battista Hodierna actually made note of it …

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M103 Open Cluster in Cassiopeia

Target Type R. A. Dec. Constellation Magnitude Size M103 Open Cluster 01h 33m 23s +60° 39′ 00″ Cassiopeia +7.4 5.0 arcmins Overview M103 is the last object from the original catalog of objects compiled by Charles Messier. It is a small star cluster easily located near Ruchbar, one of the bright stars forming the easily …

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Star Cluster NGC188

NGC188 Statistics Target Type Right Ascension Declination Constellation Magnitude Size NGC188 Open Cluster 00h 49m 37s +85° 21′ 28″ Cepheus +8.1 17.0 arcminutes NGC 188 is a star cluster lying in a quiet part of the night sky just a few degrees away from Polaris in the constellation of Cepheus. It is visible throughout the …

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