CometC/2015 V2 (Johnson)
Userancv2000
User`s nameAnton Tsvetkov
Observation's time (UT)2017-04-23 22:45:00
ToolYukon
Observation's placeZavolzhye
Magnitude8.4
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')7.5
Tail's lengthNot set
Condensation2
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
Lm5.1
Comment
Morris Format2017 Apr 23.95 UT: m1=8.4, Dia.=7.5', DC=2 ...5-cm N (30x) ...Anton Tsvetkov (Zavolzhye, Russia)