Plotted entries from OPSLOG files in MIDI report DSPTRN_2.0, plot 2 (data set TRANS_PRISM_NeII_ops):
(DATE changes at 21:00 UT or MJD-OBS = xxx.875)
DATE       	MJD-OBS      	values
====================================================
2012-02-07	55965.384919	0.790798
2012-02-08	55966.377014	0.790323
2012-02-09	55967.387500	0.78984