| Comet | 17P/Holmes |
|---|---|
| User | Giuseppe Pappa |
| User`s name | Giuseppe Pappa |
| Observation's time (UT) | 2007-11-13 20:29:00 |
| Tool | Telescope |
| Observation's place | Mascalucia |
| Magnitude | 2.9 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 34 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 15.8 cm |
| Focal length (mm) | 1200 |
| Type of tool | L - Newtonian reflector |
| Magnification | 48 |
| Field of view (°) | 0 |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2007 Nov 13.85 UT: m1=2.9, Dia.=34', DC=4 ...15.8-cm L (48x) ...Giuseppe Pappa (Mascalucia, Italy) |
