Comet C/1995 O1 (Hale-Bopp)
UserNorm
User`s nameNeil Norman
Observation's time (UT)1997-04-03 19:11:00
ToolNaked eye
Observation's placeIpswich
Magnitude-1
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')32
Tail's length17°
Condensation8
Positional angle of tail62
Bortl's scaleNot set
Aperture cm
Focal length (mm)Not set
Type of toolE - Naked eye
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm6
Comment
Morris Format1997 Apr 3.8 UT: m1=-1, Dia.=32', DC=8, Tail: 17 deg, in PA 62 deg...Naked Eye ...Neil Norman (Ipswich, England)