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Messier 19 or M19 (also designated NGC 6273) is a globular cluster in the constellation Ophiuchus. It was discovered by Charles Messier on June 5, 1764 [ 6 ] and added to his catalogue of comet -like objects that same year.
The Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514) is an H II region in the north-west of Sagittarius in a star-forming region in the Milky Way's Scutum–Centaurus Arm. [3] It was discovered by Charles Messier on June 5, 1764. [ 4 ]
Messier 22 or M22, also known as NGC ... Two black holes of between 10 and 20 solar masses (M ... [19] Gallery. location of M22 in Sagittarius.
A visual band light curve for a 26 June 1992 eclipse of V849 Ophiuchi. Adapted from Shafter et al. (1993) [4]. V849 Ophiuchi or Nova Ophiuchi 1919 was a nova that erupted in 1919, in the constellation Ophiuchus, and reached a blue band brightness of magnitude 7.2. [4]
The secondary, component B, is magnitude 5.22 [3] and class A4V. [4] Component C is magnitude 11.0 and lies at an angular separation of 119″ from the inner pair. [3] It has a common proper motion and is at approximately the same distance as the other two stars, [14] although any orbit would last for hundreds of thousands of years. [9]
Dark sky image with some objects around Pinwheel Galaxy (M 101). The quarter in the lower right shows the tail of Ursa Major with the stars Mizar, Alcor and Alkaid.. The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on, unbarred, and counterclockwise spiral galaxy located 21 million light-years (6.4 megaparsecs) [5] from Earth in the constellation Ursa Major.
WASHINGTON (Reuters) -A massive winter storm moving across the United States will not keep the U.S. Congress from meeting on Monday to formally certify Republican Donald Trump's election as ...
Messier 23, also known as NGC 6494, is an open cluster of stars in the northwest of the southern constellation of Sagittarius. [7] It was discovered by Charles Messier in 1764. [ a ] [ 3 ] It can be found in good conditions with binoculars or a modestly sized telescope . [ 3 ]