File:M57, NGC 6720, Ring Nebula (noao-02678).jpg
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[edit]DescriptionM57, NGC 6720, Ring Nebula (noao-02678).jpg |
English: The Ring Nebula, M57, NGC6720 This true color picture was taken using Ektachrome film at the prime focus of the Kitt Peak 4m telescope on September 1st 1973. This is unusual: normally color images are made by combining black and white images taken through different colored filters. The Ring Nebula, also known as M57 or NGC 6720, is found in the constellation Lyra. A spherical shell of glowing gas surrounds a central hot star. The nebula was formed when the central star ejected perhaps as much as ten percent of its mass, over a period of some millions of years. Initially slow mass loss creates a surrounding shell of material which is later ionized by hotter, faster ejecta, which can result in quite complex structures. The Ring Nebula was the first planetary nebula discovered, so called because of its visual spherical appearance through telescopes in the past. It has a diameter a little under one light-year and is 3000 light-years from Earth (angular size 1.2 arc minutes). Location: 18 hrs 53.6 min +33 deg 02 min (2000) Photograph by Bill Schoening. |
Date | 30 June 2020, 21:34:00 (upload date) |
Source | M57, NGC 6720, Ring Nebula |
Author | Bill Schoening/NOIRLab/NSF/AURA |
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[edit]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. | |
This file is licensed under the Creative Commons Attribution 4.0 International license.
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current | 18:58, 17 September 2023 | 2,429 × 1,951 (481 KB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/large/noao-02678.jpg via Commons:Spacemedia |
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Credit/Provider | Bill Schoening/NOIRLab/NSF/AURA |
Source | NSF's NOIRLab |
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Date and time of data generation | 21:34, 30 June 2020 |
JPEG file comment | ring nebula ngc6720 from 8x10 4m color transparency mp418 taken september 1 1973 |
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950 North Cherry Ave. Tucson, AZ, 85719 USA |
IIM version | 4 |