| Comet | 17P/Holmes |
|---|---|
| User | Artom |
| User`s name | Artyom Novichonok |
| Observation's time (UT) | 2007-10-30 15:21:00 |
| Tool | BPC 7x50 |
| Observation's place | Kondopoga |
| Magnitude | 2.6 |
| Comparison stars source | YG - Yale Bright Star Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 11 |
| Tail's length | Not set |
| Condensation | 6 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 5 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 7 |
| Field of view (°) | 6 |
| SQM-L in zenith | Not set |
| Light pollution zone | Orange |
| Lm | Not set |
| Comment | First observed Comet Holmes. Impressed! Round, very bright with binoculars 7x50. The central brighter part of a diameter of about 2-3', peripheral diameter 11', slightly fainter. Star comparison of Perseus and Cassiopeia, mag of the comet is 2,6 m. While the comet is not going to surrender their positions! |
| Morris Format | 2007 Oct 30.64 UT: m1=2.6, Dia.=11', DC=6 ...5-cm B (7x) ...Artyom Novichonok (Kondopoga, Russia) |
