| Comet | C/2018 Y1 (Iwamoto) |
|---|---|
| User | Alexsandr Morozov |
| User`s name | Alexsandr Morozov |
| Observation's time (UT) | 2019-02-10 21:25 |
| Tool | монокуляр 20x60 |
| Observation's place | Sukhinichi |
| Magnitude | 6.4 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 25 |
| Tail's length | Not set |
| Condensation | 2/ |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 6 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 20 |
| Field of view (°) | 3 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2019 Feb 10.89 UT: m1=6.4, Dia.=25', DC=2.5 ...6-cm B (20x) ...Alexsandr Morozov (Sukhinichi, Russia) |
