Comet C/1995 O1 (Hale-Bopp)
UserNorm
User`s nameNeil Norman
Observation's time (UT)1997-04-01
ToolTelescope
Observation's placeIpswich
Magnitude-0.5
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Coma diameter(')30
Tail's length15°
Condensation8
Positional angle of tail62
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 1 UT: m1=-0.5, Dia.=30', DC=8, Tail: 15 deg, in PA 62 deg ...11.4-cm L ...Neil Norman (Ipswich, England)