| Comet | 41P/Tuttle-Giacobini-Kresak |
|---|---|
| User | Jerzy Bohusz |
| User`s name | Jerzy Bohusz |
| Observation's time (UT) | 2017-04-30 22:47:00 |
| Tool | WTN 380/1650 |
| Observation's place | Myślin |
| Magnitude | 7.8 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 10.2 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 38 cm |
| Focal length (mm) | 1650 |
| Type of tool | L - Newtonian reflector |
| Magnification | 75 |
| Field of view (°) | 0.87 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2017 Apr 30.95 UT: m1=7.8, Dia.=10.2', DC=3 ...38-cm L (75x) ...Jerzy Bohusz (Myślin, Poland) |
