| Comet | 41P/Tuttle-Giacobini-Kresak |
|---|---|
| User | Dmitry |
| User`s name | Dmitriy Bulgakov |
| Observation's time (UT) | 2017-03-20 21:45 |
| Tool | Sky-Watcher 150/750 EQ5 |
| Observation's place | Борисова Грива |
| Magnitude | 8.8 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | S - Sidgwick`s method |
| Coma diameter(') | &7 |
| Tail's length | Not set |
| Condensation | 3/ |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 15 cm |
| Focal length (mm) | 750 |
| Type of tool | L - Newtonian reflector |
| Magnification | 31.3 |
| Field of view (°) | 2.62 |
| SQM-L in zenith | |
| Light pollution zone | Green |
| Lm | |
| Comment | |
| Morris Format | 2017 Mar 20.91 UT: m1=8.8, Dia.=&7', DC=3.5 ...15-cm L (31.3x) ...Dmitriy Bulgakov (Борисова Грива, ) |
