Comet | 15P/Finlay
|
User | AHale |
User`s name | |
Observation's time (UT) | 2015-01-16 01:40:00 |
Tool | 41-cm reflector |
Observation's place | Cloudcroft |
Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
Method | M - Morris`s method |
Magnitude | 9.7 |
Coma diameter(') | 2 |
Tail's length | Not set |
Condensation | 7.5 |
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 | 70.3 |
Field of view (°) | 0 |
SQM-L in zenith | |
Light pollution zone | Blue |
Lm | Not set |
Comment | Overall brightness was similar to what it had been earlier in the month, although there was a very bright, almost starlike central condensation. |
Morris Format | 2015 Jan 16.07 UT: m1=9.7, Dia.=2', DC=7.5 ...40.64-cm L (70.3x) ...Alan Hale (Cloudcroft, U.S.A.) |