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This shot of M57 was made at the prime focus of Celestron C11 on June, 2000 from Rome, Italy. It is the LRGB sum of four images (200 sec L; 160 sec R; 100 sec G; 100 sec B) using Baader Planetarium filters and an Mx5 CCD camera. |
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This shot of M57 was made at the prime focus of Celestron C11 on June, 2000 from Rome, Italy. It is the LRGB sum of four images (200 sec L; 160 sec R; 100 sec G; 100 sec B) using Baader Planetarium filters and an Mx5 CCD camera. |
| Picture by Fulvio Mete |