Messier 39 (redirect from Open cluster M39)
Messier 39 or M39, also known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, positioned two degrees to the south of the star...
7 KB (576 words) - 19:08, 29 April 2022
background of stars of Cygnus can make it difficult to make out open cluster. M39 (NGC 7092) is an open cluster 950 light-years from Earth that are visible...
51 KB (5,864 words) - 07:24, 1 July 2024
Nebula (M27) Open Cluster M29 Open Cluster M34 Open Cluster M35 Open Cluster M39 Winnecke 4 (M40) Open Cluster M41 The Orion Nebula (M42) The De Mairan's...
16 KB (1,227 words) - 14:18, 21 April 2024
Messier object (category Articles using Infobox astronomical survey using locally defined parameters)
The Messier objects are a set of 110 astronomical objects catalogued by the French astronomer Charles Messier in his Catalogue des Nébuleuses et des Amas...
70 KB (2,317 words) - 03:55, 15 July 2024
Owl Nebula (category Astronomical objects discovered in 1781)
distance indicator for planetary nebulae", Monthly Notices of the Royal Astronomical Society, 455 (2): 1459–1488, arXiv:1504.01534, Bibcode:2016MNRAS.455...
15 KB (1,554 words) - 07:18, 15 July 2024
Cygni, the open cluster NGC 7209 in Lacerta, and the bright open cluster M39. The cluster is about 4,000 ly away, and the central star that lights it...
7 KB (724 words) - 18:48, 20 April 2024
Leica M-mount (bayonet) (adapter with back focusing AF available) Leica M39 lens mount (LTM/L39) (screw) Leica R-mount (adapter variant with tilt available)...
17 KB (1,993 words) - 14:29, 24 January 2024
Italian amateur astronomer and discoverer of minor planets at the Sormano Astronomical Observatory in northern Italy. Manca also performs follow-up astrometry...
20 KB (1,322 words) - 21:08, 18 June 2024
of the spectrum (589 nm). Some astronomical filters similarly use didymium in heavier concentration. Even astronomical filters which don't use didymium...
33 KB (4,199 words) - 19:57, 22 November 2023
Messier marathon, but more difficult with various subjects. Since 2006, Astronomical Society of Iran – Amateur Committee (ASIAC) holds an international observing...
15 KB (220 words) - 13:30, 18 October 2021
2006. Retrieved 28 November 2006. Retrieved 28 November 2006 HMS Hurworth (M39) Royal Naval Museum website. Trustees [1] Retrieved 28 November 2006 QJRAS...
9 KB (830 words) - 04:24, 24 August 2022
is visible to the naked eye about 2.5° east-northeast of the open cluster M39, having an apparent visual magnitude of 4.24. Based upon an annual parallax...
12 KB (840 words) - 08:40, 12 August 2023