Observation's detail view

Comet C/1982 M1 (Austin)
Userterryjlovejoy
User`s name
Observation's time (UT)1982-07-30 19:12:00
Tool20cm Newtonian
Observation's placeBirkdale
Comparison stars sourceA - Australian Comet Section Charts (based on AAVSO atlas and charts)
Method
Magnitude
Coma diameter(')15
Tail's length1.3
CondensationNot set
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)1.04
SQM-L in zenith
Light pollution zoneYellow
LmNot set
CommentComa fanshaped. 1-1.5 degrees of tail possibly more in 50x20cm reflector.
Morris Format1982 Jul 30.8 UT:, Dia.=15', Tail: 1.3 deg ...20-cm L (48x) ...Terry Lovejoy (Birkdale, Australia)