Observation's detail view

Comet88P/Howell
UserAlexsandr Morozov
User`s name
Observation's time (UT)2020-05-17 20:15
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude12.7
Coma diameter(')1.5
Tail's lengthNot set
Condensation2.5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification120
Field of view (°)0.42
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2020 May 17.84 UT: m1=12.7, Dia.=1.5', DC=2.5 ...25.4-cm L (120x) ...Alexsandr Morozov (Novozybkov, Russia)