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Some objects originally thought to be deep sky objects and listed in the NGC have been subsequently shown to be ordinary stars, so their inclusion in the catalog is now considered erroneous. [1] This list of stars is based on the "NGC 2000.0" version of the catalog, which lists the stars in its errata, [ 1 ] supplemented with data on each ...
The star contains starspots on its surface ζ And Aa 2.502 ± 0.008: 15.0 ± 0.8 (polar) 189 ± 3: CFHT [9] [10] 1996: First direct imaging of starspots on a star outside the Solar System. R Dor: 57 ± 5: 370 ± 50: 204 ± 9: New Technology Telescope [11] 1993: 2nd largest known star by apparent diameter in Earth's sky, after the Sun. Mira ο ...
Star-painted vaulting over the apse of St. Mary's Basilica, Kraków, Poland. A starry vault over the chancel of Carlisle Cathedral in Cumbria in northern England.. A ceiling painted with stars frequently occurs as a design motif in a cathedral or Christian church, and replicates the Earth's sky at night. [1]
The Heart Nebula (also known as the Running Dog Nebula, Sharpless 2-190) is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. [1] It displays glowing ionized hydrogen gas and darker dust lanes. [2]
Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...
The stars of the Triangle are in the band of the Milky Way which marks the galactic equator, and are in the direction of the Galactic Center. The Winter Triangle is visible in the northern sky's winter and comprises the first magnitude stars Betelgeuse, Sirius and Procyon (the second and fourth closest star or star system visible without aid).
An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere, southern hemisphere, and equatorial sky watchers. Sky Map Online – Free interactive star chart (showing over 1.2 million stars up to magnitude 12)
α Aql (Altair) is the brightest star in this constellation and one of the closest naked-eye stars to Earth at a distance of 17 light-years. Its name comes from the Arabic phrase al-nasr al-tair, meaning "the flying eagle". Altair has a magnitude of 0.76. [1] It is one of the three stars of the Summer Triangle, along with Vega and Deneb.