Dreyer's description: F, vL, vmE, ** att
Cross Identifications: GC 4561, H 4. 72. Crescent Nebula.
Right Ascension: | 20 : 12.0 (hours : minutes) |
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Declination: | +38 : 21 (degrees : minutes) |
Apparent Magnitude: | |
Apparent Diameter: | 20. (arc minutes) |
Please type in the NGC number (number only, or preceded by "N" or "NGC") or the IC number preceded by "I" or "IC", or the Messier number preceded by "M".