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Lesson Tag: Messier

Challenge #4 –

Target Type R. A. Dec. Constellation Magnitude Size M28 (NGC 6626) Globular Cluster 18h 24m 33s -24° 52′ 11″ Sagittarius +6.8 13.8 arcmin Overview M28 is a gem of a cluster that’s easy to overlook in favor of the nearby, larger M22. But it shouldn’t be passed by because it is a treat. Messier discovered …

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Challenge #3 –

Target Type R. A. Dec. Constellation Magnitude Size M54 (NGC 6715) Globular Cluster 18h 55m 03s -30° 28′ 48″ Sagittarius +7.6 12.0 arcmin Overview This glorious cluster was discovered by Charles Messier in July 17798 and is the most distant of all his globulars. It also hold the distinction of being the second most massive …

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Challenge #2 –

Target Type R. A. Dec. Constellation Magnitude Size M26 (NGC 6694) Open Cluster 18h 45m 18s -09° 23′ 00″ Scutum +8.0 7.0 arcmins Overview Scutum’s most famous Messier sight is probably the Wild Duck Cluster, M11. It too is an open cluster that presents a splendid visual experience. M26 is the calmer, gentler sibling of …

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Challenge #1 –

Target Type R. A. Dec. Constellation Magnitude Size M56 (NGC 6779) Globular Cluster 19h 16m 26s +30° 11′ 01″ Lyra +8.27 8.8 arcmins Overview Lyra’s most famous Messier object, indeed, one of the most famous of them all, is the Ring Nebula, M57. You can find our guide to seeing that here. This cluster, which …

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