| Comet | 88P/Howell |
|---|---|
| User | seiichi |
| User`s name | Seiichi Yoshida |
| Observation's time (UT) | 2015-09-21 17:31:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 13.2 |
| Comparison stars source | TA - Comparison-star magnitudes from "The Amateur Sky Survey" |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 1.3 |
| Tail's length | Not set |
| Condensation | 2 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 40 cm |
| Focal length (mm) | 1600 |
| Type of tool | L - Newtonian reflector |
| Magnification | 144 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2015 Sep 21.73 UT: m1=13.2, Dia.=1.3', DC=2 ...40-cm (144x) ...Seiichi Yoshida (, ) |
