CometC/2019 Y1 (ATLAS)
Userantares48
User`s nameP. Jordanov
Observation's time (UT)2020-04-18 18:40
ToolBresser 150/750
Observation's placeDimitrovgrad-Aleksandrovo
Magnitude7.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')6.5
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scale5
Aperture15 cm
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification23.4
Field of view (°)2.22
SQM-L in zenith6
Light pollution zoneGreen
Lm6
Comment
Morris Format2020 Apr 18.78 UT: m1=7.9, Dia.=6.5', DC=3 ...15-cm L (23.4x) ...P. Jordanov (Dimitrovgrad-Aleksandrovo , Bulgaria)