Comet C/1982 M1 (Austin)
Userterryjlovejoy
User`s nameTerry Lovejoy
Observation's time (UT)1982-08-07 19:26:00
Tool20cm Newtonian
Observation's placeShailer Park
Magnitude
Comparison stars sourceA - Australian Comet Section Charts (based on AAVSO atlas and charts)
Method
Coma diameter(')Not set
Tail's length0.5°
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)1.04
SQM-L in zenith
Light pollution zoneYellow
LmNot set
CommentGood transparency, but moon/twilight/low elevation. 2 tails form a V, both >0.5 deg but one tail is brighter than other
Morris Format1982 Aug 7.81 UT:, Tail: 0.5 deg ...20-cm L (48x) ...Terry Lovejoy (Shailer Park, Australia)