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View satellite position on world map or a simple polar chart showing the path the satellite will take across your sky. [10] ISS Visibility, interface to Heavens-Above, predictions up to 30 days out, ground tracks, star chart with path shown. [11] SkySafari shows alerts for Iridium flares and ISS passes. ISS Detector – shows ISS position. Can ...
• RA = Right ascension for the Epoch/Equinox J2000.0 • Dec = Declination for the Epoch/Equinox J2000.0 • vis. mag. = visual magnitude (m or m v), also known as apparent magnitude • abs. mag. = absolute magnitude (M v) • Dist. (ly) = Distance in light-years from Earth
The Circinus Galaxy (ESO 97-G13) is a Seyfert galaxy [2] in the constellation of Circinus. It is located 4 degrees below the Galactic plane, and, at a distance of 4.0 Mpc (13 Mly), is one of the closest major galaxies to the Milky Way. [3] The galaxy is undergoing tumultuous changes, as rings of gas are likely being ejected from the galaxy. [4]
Albireo is the star in the head of the constellation of Cygnus (bottom). β Cygni ( Latinised to Beta Cygni ) is the system's Bayer designation . The brighter of the two components is designated β¹ Cygni or Beta Cygni A and the fainter β² Cygni or Beta Cygni B .
This video shows the distant merging galaxy cluster ACT-CL J0102−4915. El Gordo (lit.The Fat One) (ACT-CL J0102-4915 or SPT-CL J0102-4915) is the largest distant galaxy cluster observed at its distance or beyond, as of 2011.
The constellation of Molniya-orbiting satellites uses three satellites on different orbital planes, with apogees comparable to those of the geostationary satellites. A Molniya orbit (Russian: Молния , IPA: [ˈmolnʲɪjə] ⓘ , "Lightning") is a type of satellite orbit designed to provide communications and remote sensing coverage over ...
NGC 891 (also known as Caldwell 23, the Silver Sliver Galaxy, and the Outer Limits Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. [3] The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster.
NGC 2523 is a barred spiral galaxy located around 168 million light-years away in the constellation Camelopardalis. [1] NGC 2523 was discovered on 7 September 1885 by the American astronomer Edward Swift, and is approximately 120,000 light-years across. [1] [2] [3] NGC 2523 does not have much star formation, and it does not have an active ...