| Comet | C/2017 S3 (PANSTARRS) | 
|---|---|
| User | ancv2000 | 
| User`s name | Anton Tsvetkov | 
| Observation's time (UT) | 2018-07-16 20:30:00 | 
| Tool | Yukon | 
| Observation's place | Zavolzhye | 
| Magnitude | 7.8: | 
| Comparison stars source | TK - Tycho-2 Catalogue | 
| Method | S - Sidgwick`s method | 
| Coma diameter(') | 5 | 
| Tail's length | Not set | 
| Condensation | 5 | 
| Positional angle of tail | Not set | 
| Bortl's scale | Not set | 
| Aperture | 5 cm | 
| Focal length (mm) | Not set | 
| Type of tool | N - Monocular | 
| Magnification | 30 | 
| Field of view (°) | 2.3 | 
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2018 Jul 16.85 UT: m1=7.8:, Dia.=5', DC=5 ...5-cm N (30x) ...Anton Tsvetkov (Zavolzhye, Russia) |