Comet C/1860 M1 (GREAT COMET; O.S. 1860 III). Followed with the unaided eye from June 18 until about the end of July; T = 1860 June 16. Discovered in the evening twilight of June 18 on the northwestern horizon, situated in Auriga. Comet of first magnitude with a tail up to 20 degrees long. At the opening of July, located in Lynx and of first or second magnitude, displaying a 15-degree appendage. Between July 6 and 12, crossed western Leo, passing near Regulus on the night of the 10th. Brightness then about third magnitude, with the tail rapidly decreasing in length. After mid-month, the comet's motion carried it across Crater and Corvus. Comet soon became a southern-hemisphere object, from where it was independently discovered with the naked eye. Thereafter, it quickly dropped below the threshold of the unaided eye.
Quelle: -
Entstehungsjahr: 1860
Format: 12 x 12 cm
Farbe: Schwarz/Weiß
Archivalie: Glasplattendia
Signatur: Astr.-GP-423
AlteSignatur: Astr.-HGD-D-28
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