Comet | C/2017 T2 (PANSTARRS) |
User | nikgus |
User`s name | |
Observation's time (UT) | 2020-04-23 21:45 |
Tool | Celestron SkyMaster 25*100 |
Observation's place | Заволжск |
Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
Method | B - Bobrovnikoff`s method |
Magnitude | 8.9 |
Coma diameter(') | 5 |
Tail's length | Not set |
Condensation | 5 |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 10 |
Focal length (mm) | Not set |
Type of tool | B - Binoculars |
Magnification | 25 |
Field of view (°) | 3 |
SQM-L in zenith | |
Light pollution zone | Green |
Lm | 5.7 |
Comment | |
Morris Format | 2020 Apr 23.91 UT: m1=8.9, Dia.=5', DC=5 ...10-cm B (25x) ...Николай Гусев (Заволжск, Россия) |