Comet | 249P/LINEAR |
---|---|
User | seiichi |
User`s name | Seiichi Yoshida |
Observation's time (UT) | 2016-01-09 09:21:00 |
Tool | Not set |
Observation's place | |
Magnitude | [13.0 |
Comparison stars source | TA - Comparison-star magnitudes from "The Amateur Sky Survey" |
Method | S - Sidgwick`s method |
Coma diameter(') | 0.4 |
Tail's length | Not set |
Condensation | |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 40 cm |
Focal length (mm) | 1600 |
Type of tool | L - Newtonian reflector |
Magnification | 257 |
Field of view (°) | Not set |
SQM-L in zenith | Not set |
Light pollution zone | |
Lm | Not set |
Comment | |
Morris Format | 2016 Jan 9.39 UT: m1=[13.0, Dia.=0.4' ...40-cm (257x) ...Seiichi Yoshida (, ) |