CometC/2015 V2 (Johnson)
Userancv2000
User`s nameAnton Tsvetkov
Observation's time (UT)2017-05-14 20:30:00
ToolYukon
Observation's placeZavolzhye
Magnitude8.5:
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')9
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)Not set
Type of toolN - Monocular
Magnification30
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2017 May 14.85 UT: m1=8.5:, Dia.=9' ...5-cm N (30x) ...Anton Tsvetkov (Zavolzhye, Russia)