Comet C/1995 O1 (Hale-Bopp)
UserNorm
User`s nameNeil Norman
Observation's time (UT)1997-03-31
ToolNaked eye
Observation's placeIpswich
Magnitude0.5
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
Method
Coma diameter(')30
Tail's length15°
Condensation8/
Positional angle of tail60
Bortl's scaleNot set
Aperture0 cm
Focal length (mm)Not set
Type of toolB - Binoculars
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format1997 Mar 31 UT: m1=0.5, Dia.=30', DC=8.5, Tail: 15 deg, in PA 60 deg ...0-cm...Naked Eye ...Neil Norman (Ipswich, England)