M57
Ring Nebula
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| Other names: |
NGC6720 |
| Optics: |
Takahashi TOA-130F at f/7.5 |
| Mount: |
Mountain Instruments MI-250 w/Gemini on ATS pier |
| Camera: |
ST-2000XM @ -16°C |
| Exposure: |
6 minutes [ 2 x 3 minutes ] |
| Accessories: |
AO-7 at 8Hz | Takahashi 35mm Flattener |
| Location: |
Ontario, CA |
| Date |
September 15, 2007 |
| Notes: |
Processing: Image acquisition, dark frame reduction, bias frame reduction in CCDSoft. Levels and curves in Photoshop.
Just a quick test of the AO-7 on the TOA-130. Everything worked smoothly and the mount never needed to be bumped.
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