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Apparent magnitude (V) 6.4 [4] ... Messier 92 (also known as M92, M 92, or NGC 6341) is a globular cluster of stars in the northern constellation of Hercules.
Apparent magnitude; 6205: Messier 13; Hercules Globular Cluster Globular cluster: Hercules: ... Messier 92 Globular cluster: Hercules: 17 h 17 m 07.3 s +43° 08′ 12 ...
The Messier objects are a set of 110 astronomical objects catalogued by the French ... Apparent magnitude Apparent dimensions ... 16 h 57 m 8.92 s: −04° 05′ 58. ...
The absolute magnitude M, of a star or astronomical object is defined as the apparent magnitude it would have as seen from a distance of 10 parsecs (33 ly). The absolute magnitude of the Sun is 4.83 in the V band (visual), 4.68 in the Gaia satellite's G band (green) and 5.48 in the B band (blue). [20] [21] [22]
The eclipsing binary nature of the system was discovered in the TESS mission data of data sectors 24 and 25, recorded from April through June 2020. In addition to a transit signal with ~7.2-day period of transit depth δ = 0.049 66 ± 0.000 30, [5] the observed light curve also exhibited stellar flares and a ~13.1-day period brightness modulation which was identified with the rotation period ...
NGC 6210, sometimes also known as the Turtle Nebula, [4] is a planetary nebula located in the constellation Hercules, approximately 5.4 ± 1.3 kly from the Sun. [2] It is positioned about 38° above the galactic plane at a vertical distance of about 3.3 kilolight-years (1 kpc) and thus has little extinction from intervening interstellar dust. [5]
Messier 29 or M29, also known as NGC 6913 or the Cooling Tower Cluster, is a quite small, bright open cluster of stars just south of the central bright star Gamma Cygni of a northerly zone of the sky, Cygnus. It was discovered by Charles Messier in 1764, and can be seen from Earth by using binoculars.
Apparent magnitude (V) 8.6 [4] ... Messier 87 (also known as Virgo ... [92] Knowing those is essential to understand how M87's supermassive black hole is launching ...