Frame	Plate	Cart	sec z	seeing	Nreads	Dither	Zero	Zeronorm	sky continuum	S/N	S/N(c)	unplugged	faint
19990016	8694	3	1.25	1.29	47	0.00	19.08	14.90	[13.88,13.77,13.74]	[ 15.5, 24.4, 29.0]	[ 21.6, 21.7, 14.2]		286 279 266 255 144 72 69
19990017	8694	3	1.26	1.31	47	-0.49	19.07	14.89	[13.92,13.86,13.82]	[ 15.4, 24.1, 28.5]	[ 21.2, 21.3, 13.9]		286 279 266 255 144 72 69
19990018	8694	3	1.28	1.33	47	-0.49	19.09	14.91	[13.94,13.94,13.90]	[ 15.6, 24.4, 29.1]	[ 21.5, 21.6, 14.3]		286 279 266 255 144 72 69
19990019	8694	3	1.30	1.34	47	0.00	19.06	14.88	[14.18,14.03,13.93]	[ 15.3, 24.2, 28.3]	[ 21.1, 21.5, 14.1]		286 279 266 255 144 72 69