Comet C/1980 E1 (Bowell)
Userterryjlovejoy
User`s nameTerry Lovejoy
Observation's time (UT)1982-07-16 09:35:00
Tool20cm Newtonian
Observation's placeShailer Park
Magnitude11.8
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodS - Sidgwick`s method
Coma diameter(')1
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)1.04
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
CommentFainter and more diffuse since last observation
Morris Format1982 Jul 16.4 UT: m1=11.8, Dia.=1', DC=2 ...20-cm L (48x) ...Terry Lovejoy (Shailer Park, Australia)