Comet | C/2008 J1 (Boattini) |
---|---|
User | slava03 |
User`s name | Vyacheslav Ivanov |
Observation's time (UT) | 2011-08-11 20:10:00 |
Tool | 8" Ньютон |
Observation's place | Поле |
Magnitude | 11 |
Comparison stars source | TK - Tycho-2 Catalogue |
Method | S - Sidgwick`s method |
Coma diameter(') | 2.5 |
Tail's length | Not set |
Condensation | 3 |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 20.3 cm |
Focal length (mm) | 1000 |
Type of tool | L - Newtonian reflector |
Magnification | 66.7 |
Field of view (°) | 0.75 |
SQM-L in zenith | Not set |
Light pollution zone | Blue |
Lm | Not set |
Comment | |
Morris Format | 2011 Aug 11.84 UT: m1=11, Dia.=2.5', DC=3 ...20.3-cm L (66.7x) ...Vyacheslav Ivanov (Поле, Russia) |