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| Keyhole Nebula in constellation Carina taken using a 1986 vintage Celestron Super C8 plus. It was taken with Kodak PMC (ISO 400) at f/10 (2000 mm) and 180 minutes exposure, guided by an SBIG ST-4. Light pollution reduction filter was used since the image was taken under the very intense light pollution of Rio de Janeiro. |
| Courtesy of Marco Antonio De Bellis -- C8 NGC3372 |
