| Comet | 71P/Clark
|
|---|
| User | Koalin |
|---|
| User`s name | |
|---|
| Observation's time (UT) | 2017-04-23 23:40 |
|---|
| Tool | Sky-Watcher 12 Inch Dobsonian Telescope |
|---|
| Observation's place | Деревня Dindos, Ignalinos район, Литва |
|---|
| Comparison stars source | TK - Tycho-2 Catalogue |
|---|
| Method | S - Sidgwick`s method |
|---|
| Magnitude | 12.8 |
|---|
| Coma diameter(') | 0.5 |
|---|
| Tail's length | Not set |
|---|
| Condensation | 2.5 |
|---|
| Positional angle of tail | Not set |
|---|
| Bortl's scale | Not set |
|---|
| Aperture | 30.5 |
|---|
| Focal length (mm) | 1500 |
|---|
| Type of tool | L - Newtonian reflector |
|---|
| Magnification | 123.3 |
|---|
| Field of view (°) | 0.58 |
|---|
| SQM-L in zenith | |
|---|
| Light pollution zone | |
|---|
| Lm | |
|---|
| Comment | Comet +14,5°
Min mag star 14.8m
|
|---|
| Morris Format | 2017 Apr 23.99 UT: m1=12.8, Dia.=0.5', DC=2.5 ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, ) |
|---|
