CometC/2009 P1 (Garradd)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2011-08-23 20:10:00
Tool10"SW на экваториале с часовиком
Observation's placeСаратов
Magnitude8
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification60
Field of view (°)1.2
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
Comment
Morris Format2011 Aug 23.84 UT: m1=8, Dia.=5', DC=5 ...25.4-cm L (60x) ...Vyacheslav Ivanov (Саратов, Russia)