| Comet | 17P/Holmes |
|---|---|
| User | ASem |
| User`s name | Andrey Semenyuta |
| Observation's time (UT) | 2007-11-21 00:30:00 |
| Tool | мшр-60 |
| Observation's place | Pavlodar |
| Magnitude | 4.1: |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | S - Sidgwick`s method |
| Coma diameter(') | &30 |
| Tail's length | Not set |
| Condensation | 2 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 6 cm |
| Focal length (mm) | 600 |
| Type of tool | R - Refractor |
| Magnification | 30 |
| Field of view (°) | 1.5 |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2007 Nov 21.02 UT: m1=4.1:, Dia.=&30', DC=2 ...6-cm R (30x) ...Andrey Semenyuta (Pavlodar, Kazakhstan) |
