NGC 48

NGC 48是仙女座的一個漩渦星系。星等為13.9，赤經為14分2.1秒，赤緯為+48°14'6"。在1885年9月7日首次被發現。它距离太阳系约7930万光年。[1]NGC 48由美國天文學家路易斯·斯威夫特於1885年發現。

NGC 48

參考
  1. An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho

參見
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