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left arrowarrow leftTable III r  -  Page 29
Airport in Calhoun, Georgia;  September 30, 1987;    
(Magnetic Declination = 2°W:  Subtract 2° for True Bearing, True Heading and True Wind Direction)
Num.    Species    Time Flight Behavior Weather Field Notes
    I         II     III IV Va Vb Part 1 Part 2 Part 3
 Est.
Alt.
Type
of Flt.
Horiz.
Flt.
Vert.
Flt.
Mag.
Bear.
Mag.
Head.
Wind
Dir.
 Wind 
Vel.
Amb.
Temp
Thrm.
Act.
Cloud
Types
177 D. plexippus 4:50 25 m soar circle level 177° - 360° 2.0 m/s - yes - Two more D. plexippus were also seen - one flying higher and one lower than #177
Break - 4:55 - - - - - - - - - - - While checked nearby wild-flowers for foragers, two more D. plexippus were seen.  One flew down the runway and the other D. plexippus was seen descending.
Resume - 5:00 - - - - - - - - 21.5°C - - -
178 D. plexippus 5:05 30 m soar circle,
straight,
circle
climb,
level
209° 250° 010° 4.5 m/s - yes - Butterfly was slowly gaining altitude.  A second D. plexippus was seen flying at 130 m.
179 D. plexippus 5:12 20 m flap straight level - 255° - - - - - Lost sight of butterfly against sun.
180 D. plexippus 5:15 20 m flap straight level 221° 256° 017° 5.4 m/s - - - Another D. plexippus was seen flying at the same altitude.
181 D. plexippus 5:17 100 m soar circle,
(straight)
level 205° (right) 022° 6.7 m/s - yes - A second D. plexippus was in the same thermal.
182 D. plexippus 5:20 100 m soar circle,
straight
level 187° right 016° 4.5 m/s - yes - Sun had sunk to near the horizon, illuminating the underside of the high-flying butterflies, making them appear brown.
183 D. plexippus 5:24 100 m flap,
soar
straight level 210° 220° 022° 3.6 m/s - yes 25%
cumulus
cover
Cumulus clouds showing very little vertical development - thick, flat-bottomed pancakes.