54 Leonis is a binary star [12] system in the zodiac constellation of Leo, located around 321 [3] light years from the Sun. It is visible to the naked eye as a faint, white-hued star with a …

Jun 13, 2024 · 54 Leonis is a high proper-motion star located in the constellation of Leo. It is not part of the Leo constellation outline but is within the borders of the constellation. Based on the …

54 Leonis is a double main-sequence star of spectral class A2 in the constellation of Leo. 54 Leonis visual magnitude is 6.3. Because of its faintness, 54 Leonis is visible to the naked eye …

54 LEO (54 Leonis). The most northerly of a triangle of fainter stars to the northwest of Leo's hindquarters (which includes 60 and 72 Leo), Flamsteed's 54 Leonis lies six degrees …

Apr 2, 2025 · 54 Leonis B is a blue main sequence star whose temperature is between 7,500 and 10,000 Kelvin. 54 Leonis B location in sky is determined by the right ascension (R.A.) and …

May 16, 2013 · I frequently visit and enjoy this Forum and in spite of seeing this 54 Leo thread I had not immediately made the connection to an observation of mine when it was not far from …

Mar 31, 2016 · This week’s small-telescope target is one of Leo the Lion’s best double stars — 54 Leonis. To find it, point your telescope 6° northwest of magnitude 2.6 Zosma (Delta [δ] Leonis).

May 22, 2022 · 54 Leonis is a double star in the constellation Leo. It’s best viewed in the spring and lies nearly 300 light years away. Backyard astronomers with smaller to medium-sized …

Apr 7, 2016 · Clouds coming back but I had just enough time to take a look ( which I've been meaning to do for a long time ) at 54 Leonis. The A component appears to me to be a greenish …

Taken from Harvard or San Luis photometry. Taken from the Henry Draper Catalogue or no spectrum in source catalog. 54 Leo. B is a spectroscopic binary.