| Comet | 46P/Wirtanen |
|---|
| User | Artom |
|---|
| User`s name | |
|---|
| Observation's time (UT) | 2008-04-05 21:36:00 |
|---|
| Tool | Meade RCX400 |
|---|
| Observation's place | Petrozavodsk |
|---|
| Comparison stars source | TK - Tycho-2 Catalogue |
|---|
| Method | S - Sidgwick`s method |
|---|
| Magnitude | :11 |
|---|
| Coma diameter(') | Not set |
|---|
| Tail's length | Not set |
|---|
| Condensation | Not set |
|---|
| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
|---|
| Aperture | 25.4 |
|---|
| Focal length (mm) | 2032 |
|---|
| Type of tool | Y - Ritchey-Chretien telescope |
|---|
| Magnification | 84.7 |
|---|
| Field of view (°) | 0.97 |
|---|
| SQM-L in zenith | |
|---|
| Light pollution zone | Orange |
|---|
| Lm | Not set |
|---|
| Comment | Наблюдалась в г. Петрозаводске при тестировании 25-см рефлектора. Проницаемость для невооружённого глаза около 3.5m. Комета видна в виде слабого туманного пятнышка. |
|---|
| Morris Format | 2008 Apr 5.9 UT: m1=11: ...25.4-cm Y (84.7x) ...Artyom Novichonok (Petrozavodsk, Russia) |
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