Observation's detail view

CometC/2014 Q1 (PANSTARRS)
UserAHale
User`s name
Observation's time (UT)2015-06-15 10:19:00
Tool20-cm reflector
Observation's placeCloudcroft
Comparison stars sourceNH - North Polar Sequence (publ. by Henden and Kaitchuck, 1982)
MethodM - Morris`s method
Magnitude8.0
Coma diameter(')2
Tail's lengthNot set
Condensation6.5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.32
Focal length (mm)1118
Type of toolL - Newtonian reflector
Magnification43
Field of view (°)0
SQM-L in zenith
Light pollution zoneGray
LmNot set
CommentAnother hour-long drive (and back) this morning; the sky conditions were perhaps a bit better than they were yesterday, at least, the air was drier. The comet was located in a blank star field but I had no trouble locating it or seeing it; I was able to follow it for about 15 minutes before the sky became too bright. Distinctly non-stellar, but still quite condensed. The coma measurement is somewhat of an upper limit. When I examined the comet at 152x the coma appeared slightly fan-shaped, with the apex in the sunward direction; no sign of a tail, but in the bright sky that's not surprising. Since perihelion passage is now only three weeks away I won't hold my breath for any major display, unless it undergoes some kind of dramatic brightness surge as it passes through perihelion.
Morris Format2015 Jun 15.43 UT: m1=8.0, Dia.=2', DC=6.5 ...20.32-cm L (43x) ...Alan Hale (Cloudcroft, U.S.A.)