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| Object: M57 |
Common name: Ring Nebula |
Other names: NGC6720 |
| Optics: 10" LX200GPS at f/6.3 |
Mount: Standard Field Tripod and Superwedge |
| Camera: SBIG ST-7E |
Exposure: 51 minutes |
Sub-exposures: L:30min / R:6min / G:6min / B:9min |
| Temp: -12° C |
Other Accessories: CFW-8, AO-7 (12Hz) |
| Location: Big Bear, CA (RTMC) |
Date: May 24, 2003 |
| Processing: Image acquisition, DFR, FFR, align, and combine in CCDSoft. Levels, curves, unsharp mask in Photoshop. |
Other Notes: The Ring Nebula is a magnitude 8.8 planetary nebula in the constellation Lyra. Notice the 14.86 magnitude galaxy, IC1296, at the 11 o'clock position.
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