| Object: M57 (NGC 6720) | Date: 2018 June 2 |
| Type: Planetary Nebula | |
| Constellation: Lyra | Time & altitude: 23.30 UT 57º |
| Catalogue data: | Seeing (5 high): 3/5 |
| R.A: 13h 42m | Transparency (5 high): 2/5 |
| Dec: 28º 23 | Telescope: 0.5m f4.1 Dob. |
| Magnitude 8.8 | Eyepiece 8mm Ethos x260 |
| Size (secs) 86 x 62 |
Filters: With and without Lumicon OIII |
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Notes: Egg-shaped with the long axis lying ENE-WSW and the pointed end to the N. The oval central hole is bright compared to the background sky, and offset to the N end. This end of the nebula is less well defined, fuzzier and a little fainter than the rest of it. The 15th magnitude central star could not be found. Although bright, there is no colour in the nebula. |
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