Observation's detail view

Comet 15P/Finlay
UserAHale
User`s name
Observation's time (UT)2015-01-16 01:40:00
Tool41-cm reflector
Observation's placeCloudcroft
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Magnitude9.7
Coma diameter(')2
Tail's lengthNot set
Condensation7.5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture40.64
Focal length (mm)1828.8
Type of toolL - Newtonian reflector
Magnification70.3
Field of view (°)0
SQM-L in zenith
Light pollution zoneBlue
LmNot set
CommentOverall brightness was similar to what it had been earlier in the month, although there was a very bright, almost starlike central condensation.
Morris Format2015 Jan 16.07 UT: m1=9.7, Dia.=2', DC=7.5 ...40.64-cm L (70.3x) ...Alan Hale (Cloudcroft, U.S.A.)