Comet 19P/Borrelly
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2022-01-07 15:50
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude9.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')4
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification120
Field of view (°)0.42
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2022 Jan 7.66 UT: m1=9.2, Dia.=4', DC=3.5 ...25.4-cm L (120x) ...Alexsandr Morozov (Sukhinichi, Russia)