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Encyclopedia > NGC 4548
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Spiral Galaxy M91. Image courtesy of NOT.

The Spiral Galaxy M91 (also known as Messier Object 91, Messier 91, M91, or NGC 4548) is a spiral galaxy in the Coma Berenices constellation. It was most probably discovered by Charles Messier in 1781 and independently rediscovered by William Herschel on April 8, 1784. M91 is a member of the Virgo Cluster of galaxies.


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Special Herschel List (354 words)
Planetary Nebulae: NGC 40,NGC 246,NGC 651,NGC 1501,NGC 1535,NGC 2022,NGC 2371,NGC 2372,NGC 2392,NGC 2438,NGC 2440,NGC 3242,NGC 4361,NGC 6369,NGC 6445,NGC 6543,NGC 6629,NGC 6781,NGC 6818,NGC 6826,NGC 6905,NGC 7008,NGC 7009,NGC 7662,
Globular Clusters: NGC 288,NGC 2419,NGC 4147,NGC 5466,NGC 5634,NGC 5694,NGC 5897,NGC 6144,NGC 6171,NGC 6229,NGC 6235,NGC 6284,NGC 6287,NGC 6293,NGC 6304,NGC 6316,NGC 6342,NGC 6355,NGC 6356,NGC 6401,NGC 6426,NGC 6440,NGC 6517,NGC 6522,NGC 6528,NGC 6544,NGC 6553,NGC 6569,NGC 6624,NGC 6638,NGC 6642,NGC 6712,NGC 6934,NGC 7006,
C/N: NGC 1931,NGC 1980,NGC 2244,NGC 2264,NGC 6514,NGC 6823,NGC 7380,
Galaxies (1132 words)
NGC 1055 - A "boxy/bulge" galaxy in Cetus.
NGC 5907 - An edge-on galaxy in Draco
NGC 7814 - An edge-on galaxy in Pegasus
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