| Comet | C/2017 S3 (PANSTARRS) |
|---|---|
| User | Artom |
| User`s name | Artyom Novichonok |
| Observation's time (UT) | 2018-07-04 21:30 |
| Tool | Celestron 6'' |
| Observation's place | Simeiz observatory |
| Magnitude | 9.1 |
| Comparison stars source | AQ - APASS catalog |
| Method | M - Morris`s method |
| Coma diameter(') | 3.9 |
| Tail's length | Not set |
| Condensation | 2/ |
| Positional angle of tail | Not set |
| Bortl's scale | 4.5 |
| Aperture | 15 cm |
| Focal length (mm) | 750 |
| Type of tool | L - Newtonian reflector |
| Magnification | 50 |
| Field of view (°) | 1.2 |
| SQM-L in zenith | 20.7 |
| Light pollution zone | Green |
| Lm | |
| Comment | Low Moon (Ph=0.64, Alt 4 deg) above Black sea |
| Morris Format | 2018 Jul 4.9 UT: m1=9.1, Dia.=3.9', DC=2.5 ...15-cm L (50x) ...Artyom Novichonok (Simeiz observatory, Russia) |
