CometC/2015 ER61 (PANSTARRS)
UserJJGonzalez
User`s nameJuan Jose Gonzalez Suarez
Observation's time (UT)2017-01-07 05:02:00
Tool20.3 cm SCT
Observation's placeAlto del Castro, Leon
Magnitude10.1
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')4.5
Tail's lengthNot set
Condensation1/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)2000
Type of toolT - Schmidt-Cassegrain reflector
Magnification76.9
Field of view (°)0
SQM-L in zenith21.5
Light pollution zone
Lm
CommentVery faint and diffuse outer coma. Altitude: 11 deg. Zodiacal light. Field stars checked in DSS.
Morris Format2017 Jan 7.21 UT: m1=10.1, Dia.=4.5', DC=1.5 ...20.3-cm T (76.9x) ...Juan Jose Gonzalez Suarez (Alto del Castro, Leon, Spain)