pre-cruise calibration - WHOI High Bay
oceanus cruise 471 -  Trichodesmium 
April 19, 2011  1600-1700 EDT
Cabell Davis and Jamie Haley

Field of view WxH = 12 x 12 mm
82 cm grid visually in center focus
strob beam centered in field of view

Tethered copepod
Pseudocalanus
sobel 0 seg hi 155

upper left near 77.00cm
upper left far 88.0cm
upper right near 79.5cm
upper right far 91.0cm
lower right near 75.5cm
lower right far 86.5cm
lower left near 74.0cm
lower left far 84.7cm
center near 78.5cm
center far 88.0cm 


sobel 10 seg hi 155
upper left near 78.5cm
upper right near 78.0cm
lower right near 75.5cm
lower left near 75.0cm
center near 80.0cm
upper left far 83.5cm
upper right far 84.5cm
lower right far 85.5cm
lower left far 85.2cm
center far 85.0cm