Observation's detail view
Comet | 17P/Holmes |
---|---|
User | AHale |
User`s name | |
Observation's time (UT) | 2014-09-27 |
Tool | 41-cm reflector |
Observation's place | Cloudcroft |
Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
Method | S - Sidgwick`s method |
Magnitude | 13.2 |
Coma diameter(') | 1.2 |
Tail's length | Not set |
Condensation | 2 |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 40.64 |
Focal length (mm) | 1828.8 |
Type of tool | L - Newtonian reflector |
Magnification | 140.7 |
Field of view (°) | 0 |
SQM-L in zenith | Not set |
Light pollution zone | Blue |
Lm | Not set |
Comment | |
Morris Format | 2014 Sep 27 UT: m1=13.2, Dia.=1.2', DC=2 ...40.64-cm L (140.7x) ...Alan Hale (Cloudcroft, U.S.A.) |