| Comet | 41P/Tuttle-Giacobini-Kresak |
|---|---|
| User | Jerzy Bohusz |
| User`s name | Jerzy Bohusz |
| Observation's time (UT) | 2017-01-29 23:45:00 |
| Tool | WTN 380/1650 |
| Observation's place | Myślin |
| Magnitude | 12.2 |
| Comparison stars source | AQ - APASS catalog |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 1.4 |
| Tail's length | Not set |
| Condensation | 2/ |
| 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 | 126.9 |
| Field of view (°) | 0.51 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2017 Jan 29.99 UT: m1=12.2, Dia.=1.4', DC=2.5 ...38-cm L (126.9x) ...Jerzy Bohusz (Myślin, Poland) |