[NGC  457 image] Image Credit: KPNO/NOIRLab/NSF/AURA/Ken and Emilie Siarkiewicz/Adam Block

NGC 457

Open star cluster in Cassiopeia

Dreyer's description: Cl, B, L, pRi, st 7, 8, 10

Cross Identifications: GC 256, h 97, H 7. 42. Dragonfly Cl, ET Cl, Owl Cl, Phi Cas Cl.

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    Right Ascension: 1 : 19.1 (hours : minutes)
    Declination: +58 : 20 (degrees : minutes)
    Apparent Magnitude: 6.4
    Apparent Diameter: 13. (arc minutes)

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