CometC/2017 T2 (PANSTARRS)
Userantares48
User`s nameP. Jordanov
Observation's time (UT)2020-01-22 17:20
ToolBresser 150/750
Observation's placeDimitrovgrad-Aleksandrovo
Magnitude9.4
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2.2
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scale5
Aperture15 cm
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification28.8
Field of view (°)1.74
SQM-L in zenith
Light pollution zoneGreen
Lm6
Comment
Morris Format2020 Jan 22.72 UT: m1=9.4, Dia.=2.2', DC=5 ...15-cm L (28.8x) ...P. Jordanov (Dimitrovgrad-Aleksandrovo , Bulgaria)