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Fall

Challenge #4 – C40/NGC 3632

Target Type R. A. Dec. Constellation Magnitude Size NGC 188 Open Cluster 00h 47m 28s +85° 15′ 00″ Cepheus +8.1 17 arcmin Overview 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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Challenge #3 – C7/NGC 2403

Target Type R. A. Dec. Constellation Magnitude Size M51 (NGC 5194) Spiral Galaxy 13h 29m 53s +47° 11′ 43″ Canes Venatici +7.9 14×12 arcmin Overview Messier discovered what he called ‘A very faint nebulae without stars’ in October 1773. We since discovered the concept of galaxies – there was no such thing in Messier’s time

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M57, The Ring Nebula in Lyra

Target Type R. A. Dec. Constellation Magnitude Size M57 (NGC 6720) Planetary Nebula 18h 53m 36s +33° 01′ 40″ Lyra +8.80 1.1×1.4 arcmin Overview This dazzling planetary nebula is tucked away inside the tight confines of the constellation of Lyra. Messier discovered the nebula in January 1779. He described it as a faint patch of

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M27, the Dumbbell Nebula in Vulpecula

Target Type R. A. Dec. Constellation Magnitude Size M27 (NGC 6853) Planetary Nebula 19h 59m 36s +22° 43′ 01″ Vulpecula +7.1 8.0×5.7 arcmins Overview There is only one Messier object in the tiny, faint (it’s brightest stars are fainter than magnitude 4) constellation of Vulpecula, but it is a beauty! Messier himself discovered this planetary

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M103, Open Cluster in Cassiopeia

Target Type R. A. Dec. Constellation Magnitude Size M103 (NGC 581) Open Cluster 01h 33m 23s +60° 39′ 00″ Cassiopeia +7.40 5.0 arcmin 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

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