NGC 720 by Chandra X-ray Observatory (left) and DSS (right)
Observation data (J2000 epoch)
Constellation
Cetus
Right ascension
01h 53m 00.5s[1]
Declination
−13° 44′ 19″[1]
Redshift
0.005821 +/- 0.000022 [1]
Heliocentric radial velocity
1,745 ± 7 km/s[1]
Distance
80 ± 20 Mly (24.4 ± 6.3 Mpc)[1]
Apparent magnitude (V)
10.2
Characteristics
Type
E5 [1]
Apparent size (V)
4.7′ × 2.4′[1]
Notable features
Strong X-rays source
Other designations
MCG -02-05-068, PGC 6983[1]
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NGC 720 is an elliptical galaxy located in the constellation Cetus. It is located at a distance of circa 80 million light years from Earth, which, given its apparent dimensions, means that NGC 720 is about 110,000 light years across.[1] It was discovered by William Herschel on October 3, 1785.[2] The galaxy is included in the Herschel 400 Catalogue. It lies about three and a half degrees south and slightly east from zeta Ceti.[3]
^ abcdefghi"NASA/IPAC Extragalactic Database". Results for NGC 720. Retrieved 2016-01-18.
^Seligman, Courtney. "NGC 720 (= PGC 6983)". Celestial Atlas. Retrieved 19 November 2018.
^O'Meara, Steve (2007). Steve O'Meara's Herschel 400 observing guide : how to find and explore 400 star clusters, nebulae, and galaxies discovered by William and Caroline Herschel. Cambridge: Cambridge university press. p. 306. ISBN 978-0521858939.
NGC720 is an elliptical galaxy located in the constellation Cetus. It is located at a distance of circa 80 million light years from Earth, which, given...
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