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Datei:Iris Nebula NGC 7023 (noao-ngc7023).jpg
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Originaldatei (5.563 × 5.109 Pixel, Dateigröße: 13,82 MB, MIME-Typ: image/jpeg)
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Beschreibung
| Beschreibung |
English: This image was obtained with the wide-field view of the Mosaic Camera on the Mayall 4-meter telescope at Kitt Peak National Observatory on August 29th, 2009. NGC 7023, also known as the Iris Nebula because of its flower-like shape, is a bright reflection nebula. The bluish glow of the nebula comes from a hot, massive star at the center of the nebula, named HD 200775. Blue light from the star is scattered off dust grains in the nebula, giving it its distinctive color. The dust can also be seen on the outer portions of the nebula, where it has a faint brownish color and blocks out stars behind it. It was observed in the filters B (blue), V (green), R (orange) and Hydrogen-Alpha (red). The image is rotated 30 degrees CCW from North is up, East is to the left. |
| Datum | 30. Juni 2020, 21:34:00 (Hochladedatum) |
| Quelle | Iris Nebula NGC 7023 |
| Urheber | T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN and NOIRLab/NSF/AURA |
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Lizenz
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This media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week and captions; are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
  Diese Datei ist lizenziert unter der Creative-Commons-Lizenz „Namensnennung 4.0 international“.
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| Version vom | Vorschaubild | Maße | Benutzer | Kommentar | |
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| aktuell | 19:47, 17. Sep. 2023 | | 5.563 × 5.109 (13,82 MB) | OptimusPrimeBot | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/large/noao-ngc7023.jpg via Commons:Spacemedia |
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