Frame	Plate	Cart	sec z	seeing	Nreads	Dither	Zero	Zeronorm	sky continuum	S/N	S/N(c)	unplugged	faint
19900039	8557	7	1.76	1.72	47	0.00	18.96	14.78	[14.53,14.20,14.33]	[ 16.3, 24.8, 29.0]	[ 21.9, 22.5, 16.2]		230
19900040	8557	7	1.77	1.89	47	0.50	19.05	14.87	[14.27,14.24,14.50]	[ 17.5, 25.9, 30.2]	[ 22.8, 23.3, 17.0]		230