| Comet | C/2017 E4 (Lovejoy) |
| User | AHale |
| User`s name | Alan Hale |
| Observation's time (UT) | 2017-03-18 12:00:00 |
| Tool | 41-cm reflector |
| Observation's place | Cloudcroft |
| Magnitude | 12.0 |
| Comparison stars source | NH - North Polar Sequence (publ. by Henden and Kaitchuck, 1982) |
| Method | |
| Coma diameter(') | 1.5 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 40.64 cm |
| Focal length (mm) | 1828.8 |
| Type of tool | L - Newtonian reflector |
| Magnification | 70.3 |
| Field of view (°) | 0 |
| SQM-L in zenith | |
| Light pollution zone | Blue |
| Lm | |
| Comment | I managed to observe your newest comet visually this morning. Still fairly bright moonlight, but it's diminished enough that I can now see the comet. The comet became noticeably easier to see as it climbed higher above the horizon. |
| Morris Format | 2017 Mar 18.5 UT: m1=12.0, Dia.=1.5', DC=3 ...40.64-cm L (70.3x) ...Alan Hale (Cloudcroft, U.S.A.) |