Comet C/1995 O1 (Hale-Bopp)
UserNorm
User`s nameNeil Norman
Observation's time (UT)1997-04-14
ToolTelescope
Observation's placeIpswich
Magnitude0.5
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Coma diameter(')25
Tail's length
Condensation7
Positional angle of tail65
Bortl's scaleNot set
Aperture11.4 cm
Focal length (mm)8
Type of toolL - Newtonian reflector
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format1997 Apr 14 UT: m1=0.5, Dia.=25', DC=7, Tail: 9 deg, in PA 65 deg ...11.4-cm L ...Neil Norman (Ipswich, England)