# The following figures were extracted from a file of a generic Bessell U filter
# found on the web. 
#
300.0	0.00
305.0	0.96
310.0	4.08
315.0	10.02
320.0	17.22
325.0	25.38
330.0	33.6
335.0	40.38
340.0	46.32
345.0	50.46
350.0	54.3
355.0	56.58
360.0	58.86
365.0	59.58
370.0	60.00
375.0	59.34
380.0	54.96
385.0	48.24
390.0	37.5
395.0	25.38
400.0	14.28
405.0	6.84
410.0	3.06
415.0	1.14
420.0	0.000
#
#
# The following figure were extracted from a plot of a generic Bessell U filter
# found on the web site of Omega optical - the company in which our U filter
# was purchased from.
#
#
#  307.7   0
#  318.0   10
#  323.1   20
#  330.8   30
#  338.5   40
#  346.2   50
#  364.1   60
#  374.4   50
#  379.5   40
#  382.1   30
#  387.2   20
#  394.9   10
#  415.4   0