| object: | m 57 (ngc 6720) planetary type 4+3 in lyra |
| distance: | 2,400 light years |
| further object info: | simbad |
| telescope: | celestron 9.25 @ f/10.5 |
| mount: | losmandy g-11 gemini |
| instrument: | sbig st-10xme + cfw-8a + ao-7 |
| date: | 6.04.06 |
| location: | big bear lake, ca |
| exposure: | |
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