Category:NGC 7023

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English: The Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus.
Nebulosa Iris (es); NGC 7023 (hu); Iris nebulosa (eu); Nebulosa Iris (ast); NGC 7023 (diq); NGC 7023 (de); NGC 7023 (ce); NGC 7023 (be); 鳶尾花星雲 (zh); NGC 7023 (tr); アイリス星雲 (ja); NGC 7023 (sk); NGC 7023 (uk); NGC 7023 (tt); 아이리스 성운 (ko); NGC 7023 (kk); NGC 7023 (eo); Mlhovina Kosatec (cs); NGC 7023 (bs); NGC 7023 (it); NGC 7023 (fr); NGC 7023 (hr); NGC 7023 (pt); NGC 7023 (sr); Перуника (mk); Tinh vân Diên Vĩ (vi); Туманность Ирис (ru); NGC 7023 (lb); Mgławica Irys (pl); Iris Nebula (en); NGC 7023 (nl); nebulosa Iris (ca); Nebuloasa Iris (ro); NGC 7023 (az); Irisnebulosan (sv); Nebulosa Iris (gl); سديم القزحية (ar); Νεφέλωμα Ίριδα (el); NGC 7023 (uz) nebulosa a riflessione (it); nébuleuse par réflexion (fr); open sterrenhoop (nl); dark nebula (en); reflexní mlhovina (cs); open cluster (en-ca); open cluster (en-gb); سديم مظلم في كوكبة الملتهب (ar); νεφέλωμα ανάκλασης στον αστερισμό Κηφέα (el); темна маглина (mk) [SPB96] 2161, NAME IRIS Nebula, [RK68] 105, GN 21.01.0 (en); NGC 7023, Ирис (mk); NGC 7023, Caldwell 4 (el); NGC 7023, LBN 487, OCl 235, Collinder 429, Caldwell 4 (cs)
Iris Nebula 
dark nebula
Iris1HunterWilson.jpg
Amateur image of NGC 7023
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Instance ofreflection nebula,
UV-emission source,
dark nebula
Constellation
Discoverer or inventor
Time of discovery or invention
  • 18 October 1794
Distance from Earth
  • 1,400 ly
315.401667, 315.398333, 315.4042&de=68.16333, 68.163056, 68.169444, 68.1633&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=1&show_galaxies=1&img_source=IMG_all&zoom=7 Right ascension 315.40375 degree, 315.401667 degree, 315.398333 degree, 315.4042 degree
Declination 68.16333 degree, 68.163056 degree, 68.169444 degree, 68.1633 degree
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Media in category "NGC 7023"

The following 18 files are in this category, out of 18 total.