| Comet | 9P/Tempel |
|---|---|
| User | izack |
| User`s name | Isaac Devenny |
| Observation's time (UT) | 2016-03-30 21:30 |
| Tool | LightBridge 12" f/5 Truss-Tube Dobsonian |
| Observation's place | Philo - California |
| Magnitude | [13.6 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | 2 |
| Aperture | 12 ' |
| Focal length (mm) | 1524 |
| Type of tool | L - Newtonian reflector |
| Magnification | 101.6 |
| Field of view (°) | 0.98 |
| SQM-L in zenith | |
| Light pollution zone | Gray |
| Lm | 7.5 |
| Comment | This was a real stretch to see anything, there was a very very faint smudge, perhaps with diffusion of 1, my best comparison was from two stars of 14.00 and 13.25 mag respectively. Sky was crisp cool with 80% humidity, viz: 8 |
| Morris Format | 2016 Mar 30.9 UT: m1=[13.6 ...12-cm L (101.6x) ...Isaac Devenny (Philo - California, USA) |
