From: Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki
m
Venus disk on
Blackbody at 230 K on
March 16, 2016
November 14, 2009
8
1
16
0.991
0.973
32
0.986
0.988
64
0.967
0.969
128
0.965
0.953