CometC/2015 V2 (Johnson)
UserDmitry
User`s nameDmitriy Bulgakov
Observation's time (UT)2017-03-30 20:25
ToolBinoculars 15x70
Observation's placeМистолово (Mistola Hills)
Magnitude8.8
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')8
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scale5
Aperture7 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification15
Field of view (°)4.4
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2017 Mar 30.85 UT: m1=8.8, Dia.=8', DC=2 ...7-cm B (15x) ...Dmitriy Bulgakov (Мистолово (Mistola Hills), )