| 词条 | NGC 1820 |
| 释义 |
| name = NGC 1820 | image =File:NGC 1820 DSS.jpg | caption =NGC 1820 with NGC 1816 north-east of it and NGC 1814 south-east of the open cluster | credit = | constell = Dorado | ra = {{RA|05|04|06.0}}[1][2] | dec = {{DEC|-67|16|42}}[1][2] | appmag_v = | dist_ly = | dist_pc = | age = | size_v = | notes = | names = ESO 85-SC39 }}NGC 1820 (also known as ESO 85-SC39[3]) is an open cluster in the Dorado constellation. It is located within the Large Magellanic Cloud.[2] It has a magnitude of 9.0[4][5] and was discovered by John Herschel on 2 January 1837.[5] References1. ^1 {{cite web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC%201820|title=NGC 1820|publisher=Simbad|accessdate=29 July 2016}} {{ngc20}}{{star-cluster-stub}}2. ^1 2 {{cite web|url=http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC%201820&extend=no&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES|title=NED results for object NGC 1820|work=NASA/IPAC Extragalactic Database|accessdate=29 July 2016}} 3. ^{{cite web|url=https://dso-browser.com/deep-sky/2745/ngc-1820/open-cluster|title=Open cluster NGC 1820|publisher=dso-browser|accessdate=29 July 2016}} 4. ^{{cite web|url=http://www.docdb.net/show_object.php?id=ngc_1820|title=NGC 1820 - Docb|publisher=Docb|accessdate=29 July 2016}} 5. ^1 {{cite web|url=http://cseligman.com/text/atlas/ngc18.htm#1820|title=NGC 1820 (= an OCL in the LMC)|publisher=ncseligman|accessdate=29 July 2016}} 6 : Dorado (constellation)|ESO objects|NGC objects|Open clusters|Large Magellanic Cloud|Astronomical objects discovered in 1837 |
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