Frame	Plate	Cart	sec z	seeing	Nreads	Dither	Zero	Zeronorm	sky continuum	S/N	S/N(c)	unplugged	faint
17940013	8704	7	1.02	1.68	47	0.00	18.87	14.69	[15.20,14.82,14.84]	[ 13.7, 22.9, 25.6]	[ 12.9, 3.9, 20.2]		269 264 179 117 17
17940014	8704	7	1.02	1.78	47	0.51	18.80	14.62	[14.98,14.96,15.30]	[ 12.4, 21.7, 24.5]	[ 12.1, 3.8, 19.3]		269 179 27 25 17
17940015	8704	7	1.02	1.93	47	0.51	18.88	14.70	[14.87,15.01,15.05]	[ 12.9, 22.4, 24.8]	[ 12.7, 3.9, 20.0]		269 264 179 17
17940016	8704	7	1.01	1.75	47	0.00	18.96	14.78	[15.18,14.94,15.18]	[ 13.7, 23.1, 25.8]	[ 13.1, 4.1, 20.7]		269 264 252 179 17