CometC/2015 V2 (Johnson)
UserJJGonzalez
User`s nameJuan Jose Gonzalez Suarez
Observation's time (UT)2017-01-07 04:48:00
Tool20.3 cm SCT
Observation's placeAlto del Castro, Leon
Magnitude10.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation3/
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
Comment
Morris Format2017 Jan 7.2 UT: m1=10.7, Dia.=3', DC=3.5 ...20.3-cm T (76.9x) ...Juan Jose Gonzalez Suarez (Alto del Castro, Leon, Spain)