Comet 73P/Schwassmann-Wachmann
UserJJGonzalez
User`s nameJuan Jose Gonzalez Suarez
Observation's time (UT)2017-01-07 06:00:00
Tool20.3 cm SCT
Observation's placeAlto del Castro, Leon
Magnitude11.4
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')2.5
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)2000
Type of toolT - Schmidt-Cassegrain reflector
Magnification133.3
Field of view (°)0
SQM-L in zenith21.4
Light pollution zone
Lm
CommentFaint and diffuse outer coma. Zodiacal light. Field stars checked in DSS
Morris Format2017 Jan 7.25 UT: m1=11.4, Dia.=2.5', DC=2 ...20.3-cm T (133.3x) ...Juan Jose Gonzalez Suarez (Alto del Castro, Leon, Spain)