| Comet | C/2019 Y1 (ATLAS) |
|---|---|
| User | ASem |
| User`s name | Andrey Semenyuta |
| Observation's time (UT) | 2020-05-21 18:10 |
| Tool | sw-102 |
| Observation's place | Pavlodar |
| Magnitude | 10.12 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | &3 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | 8 |
| Aperture | 10.2 cm |
| Focal length (mm) | 1000 |
| Type of tool | R - Refractor |
| Magnification | 58.8 |
| Field of view (°) | 0.68 |
| SQM-L in zenith | |
| Light pollution zone | Red |
| Lm | 4.8 |
| Comment | Комету нашёл в виде слабого, круглого пятна. |
| Morris Format | 2020 May 21.76 UT: m1=10.12, Dia.=&3', DC=3 ...10.2-cm R (58.8x) ...Andrey Semenyuta (Pavlodar, Kazakhstan) |
