| Comet | C/2011 L4 (PANSTARRS) |
| User | Marco Goiato |
| User`s name | Marco Antonio Coelho Goiato |
| Observation's time (UT) | 2013-03-07 22:33:00 |
| Tool | Naked Eye |
| Observation's place | Araçatuba |
| Magnitude | -0.3 |
| Comparison stars source | YG - Yale Bright Star Catalogue |
| Method | I - Variable stars (without defocusing) |
| Coma diameter(') | Not set |
| Tail's length | 0.5° |
| Condensation | 8/ |
| Positional angle of tail | 110 |
| Bortl's scale | Not set |
| Aperture | cm |
| Focal length (mm) | Not set |
| Type of tool | E - Naked eye |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | Civil twilight ( sun altitude: -11 degrees), clouds, comet altitude: 5 degrees
|
| Morris Format | 2013 Mar 7.94 UT: m1=-0.3, DC=8.5, Tail: 0.5 deg, in PA 110 deg...Naked Eye ...Marco Antonio Coelho Goiato (Araçatuba, Brazil) |