Category:NGC 7023

**Iris Nebula**
	dark nebula Amateur image of NGC 7023
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Instance of	reflection nebula; ultraviolet source; dark nebula;
Constellation	Cepheus;
Discoverer or inventor	William Herschel;
Time of discovery or invention	18 October 1794;
Distance from Earth	1,400 ly;
	Right ascension 315.40375 degree; Declination 68.16333 degree
Authority file
	Q649379; SIMBAD ID:
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

English: The Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus.

Media in category "NGC 7023"

The following 40 files are in this category, out of 40 total.

Caldwell 4.jpg 3,986 × 3,861; 12.15 MB
Iris Nebula (35944845034).jpg 4,024 × 4,024; 10.48 MB
Iris Nebula (NGC7023) by Göran Nilsson, Hole Observatory.jpg 3,500 × 2,326; 2.39 MB
Iris Nebula - Astrophotography.jpg 3,539 × 3,039; 12.9 MB
Iris Nebula - NGC 7023 - Caldwell 4.jpg 3,946 × 2,654; 3.8 MB
Iris nebula from Estonia.jpg 3,951 × 2,518; 8.7 MB
Iris Nebula July 27 2025.jpg 1,198 × 1,198; 227 KB
Iris Nebula July 9 2025.png 1,101 × 1,101; 2.23 MB
Iris Nebula NGC 7023 (noao-ngc7023).jpg 5,563 × 5,109; 13.82 MB
Iris Nebula NGC 7023 (noao-ngc7023).tiff 5,563 × 5,109; 75.67 MB
Iris Nebula NGC 7023.jpg 3,073 × 2,405; 3.88 MB
Iris nebula ngc7023.jpg 1,770 × 1,179; 1.64 MB
Iris Nebula.jpg 6,029 × 4,061; 10.24 MB
Iris1HunterWilson.jpg 850 × 850; 461 KB
IrisHunterWilson.jpg 750 × 850; 124 KB
N7023s.jpg 689 × 850; 142 KB
NGC 7023 (50005635102).png 3,995 × 2,797; 18.6 MB
NGC 7023 (Iris Nebula).png 1,860 × 1,382; 2.9 MB
NGC 7023 - Туманность Ирис.jpg 5,202 × 3,465; 7.3 MB
NGC 7023 DSS.jpg 914 × 692; 125 KB
NGC 7023 PanS.jpg 914 × 692; 230 KB
NGC 7023- The Iris Nebula (noao-n7023block).jpg 1,441 × 1,078; 328 KB
NGC 7023- The Iris Nebula (noao-n7023block).tiff 1,441 × 1,078; 2.09 MB
NGC 7023.jpg 3,352 × 2,532; 4.09 MB
NGC-7023 La nébuleuse de l'Iris.jpg 1,375 × 1,297; 1.05 MB
NGC-7023, The Iris Nebula .jpg 3,304 × 2,476; 3.27 MB
NGC7023 - L'Iris.jpg 4,528 × 3,351; 8.08 MB
Ngc7023 2022-08-20 08-27 106x300 v02.jpg 4,058 × 2,712; 9.3 MB
NGC7023 Iris Nebula-2.jpg 7,758 × 5,124; 9.08 MB
NGC7023 Nov 21.jpg 6,108 × 4,068; 8.45 MB
Ngc7023-hst-606.jpg 2,400 × 2,400; 886 KB
Ngc7023-hst-R850G625B475.jpg 5,000 × 5,000; 6.51 MB
NGC7023-IrisNebula-20210930.jpg 1,440 × 1,440; 2.31 MB
NGC7023.jpg 389 × 543; 26 KB
Ngc7023.jpg 3,152 × 2,072; 4.57 MB
NGC7023map.png 626 × 547; 75 KB
Region of NGC 7023 (Digitized Sky Survey 2).jpg 10,170 × 10,711; 87.51 MB
Selectionofphoto02robeuoft 0208.jpg 2,398 × 3,302; 614 KB
Sig13-005.tif 3,437 × 1,933; 6.07 MB
Маглина Ирис NGC7023.jpg 5,322 × 3,366; 7.31 MB