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| M57 |
M57
Ring Nebula
| Object | M57 -- Planetary Nebula |
| Constellation | Lyra |
| Date Aquired | 09/02/2002 |
| Camera | ST-7E w/CFW-8 and AO-7 |
| Exposure | 9x5Min L, 5X5Min R (2x2), 5x5 Min Green (2x2), 5X8Min Blue (2x2) |
| Telescope | Celestron 11" SCT @f/09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0 |
| Mount | Losmandy G11 |
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One of the showpiece objects in the sky, this is M57, the Ring Nebula in Lyra. About 5000 years ago, the star in the center of the nebula threw off its outer layers of gas and became a white dwarf. It lies about 2500 light years away. |