CometC/2017 T2 (PANSTARRS)
UserPeter_Pskov
User`s namePetr Mitrofanov
Observation's time (UT)2020-01-25 18:02
ToolSkywatcher BKP25012
Observation's placeCherniakovitsi
Magnitude10.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')1.5
Tail's length1.5'
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification42.9
Field of view (°)0
SQM-L in zenith
Light pollution zoneGreen
Lm5.5
Comment
Morris Format2020 Jan 25.75 UT: m1=10.9, Dia.=1.5', DC=5, Tail: 1.5 arcmin ...25.4-cm L (42.9x) ...Petr Mitrofanov (Cherniakovitsi, Russia)