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Markov (telescopic asterisms) (for example: Markov 1 in Hercules) MAXI — Monitor of All-sky X-ray Image. Mayall — Nicholas Mayall (for example: globular star cluster Mayall II orbiting Messier 31, the Andromeda galaxy) Mayer (open star clusters) McC — McCormick Observatory Catalog. MCG — Morphological Catalogue of Galaxies.
The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...
The GC contained 5,079 entries. Later, a complementary edition of the catalog was published posthumously as the General Catalogue of 10,300 Multiple and Double Stars. The small "h" followed with the catalogue entry number represented the item. [4] In 1878, John Louis Emil Dreyer published a supplement to the General Catalogue. [6]
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e. The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and emission nebulae. Dreyer published two supplements to the NGC in 1895 and 1908, known as the Index ...
Caldwell catalogue. Montage of Caldwell Catalogue objects. The Caldwell catalogue is an astronomical catalogue of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers. The list was compiled by Patrick Moore as a complement to the Messier catalogue. [1]
Related. Marvel Studios Special Presentations. The Marvel Cinematic Universe (MCU) television series are American superhero television shows produced by Marvel Television and Marvel Studios, based on characters that appear in publications by Marvel Comics. The series are set in, or inspired by, the shared universe of the MCU film franchise.
A Song of Ice and Fire is a series of high fantasy novels by the American author George R. R. Martin. He began writing the first volume, A Game of Thrones, in 1991, and published it in 1996. Martin, who originally envisioned the series as a trilogy, has so far released five out of seven planned volumes. The fifth and most recent entry in the ...