Comet 71P/Clark
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2017-05-30 03:30
ToolTelescópio
Observation's placeAraçatuba
Magnitude10.9
Comparison stars sourceAU - ASAS-3 V magnitudes
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation4/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture22 cm
Focal length (mm)1440
Type of toolL - Newtonian reflector
Magnification57.6
Field of view (°)0
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2017 May 30.15 UT: m1=10.9, Dia.=2', DC=4.5 ...22-cm L (57.6x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)