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  1. Copilot 答案
    星座玉夫座
    赤经00ʰ 54ᵐ 53.5ˢ
    赤纬-37° 41′ 04″
    红移144 ± 1 km/s
    Nearby galaxies and group information

    NGC 300 and the irregular galaxy NGC 55 have traditionally been identified as members of the Sculptor Group, a nearby group of galaxies in the constellation of the same name. However, recent distance measurements i… 展开

    Distance estimates

    In 1986, Allan Sandage estimated the distance to NGC 300 to be 5.41 Mly (1.66 Mpc). By 1992, this had been updated to 6.9 Mly (2.1 Mpc) by Freedman et al. In 2006, this was revised by Karachentsev et al. to be 7.0±0.3 … 展开

    NGC 300-OT

    On a CCD image obtained on May 14, 2008, amateur astronomer L.A.G. Berto Monard discovered a bright optical transient (OT) in NGC 300 that is designated NGC 300-OT. It is located at RA: 00 54 34.552 and DEC: −37° 38′ 31.79″ i… 展开

    SN 2010da

    On May 23, 2010, Monard discovered another transient object of 16th magnitude, denoted as SN 2010da. The optical transient was detected 15".9 west and 16".8 north the center of the galaxy at coordinates 00 5… 展开

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