Left plots: red are targets, blue are telluric. Observed mags are calculated from median value of green chip. Zeropoint gives overall throughput: bigger number is more throughput.
First spatial plots: circles are objects, squares are tellurics, crosses are sky fibers. Colors give deviation of observed mag from expected 2MASS mag using the median zeropoint; red is brighter
Second spatial plots: circles are sky fibers. Colors give sky line brightness relative to plate median sky line brightness

Frame	Nreads	Zeropoints	Mag plots	Spatial mag deviation	Spatial sky 16325A emission deviations (filled: sky, open: star)	Spatial sky continuum emission	Spatial sky telluric CO2 absorption deviations (filled: H < 10)
19920058	42	Red Green Blue z 18.23 znorm 14.17 sky 14.5 14.5 14.6 S/N 9.3 16.7 18.5 S/N(c) 15.5 18.2 6.0 SN(E/C) 0.67
19920059	42	Red Green Blue z 18.16 znorm 14.10 sky 14.4 14.6 14.9 S/N 8.6 15.6 17.4 S/N(c) 15.1 17.9 5.9 SN(E/C) 0.69
19920060	42	Red Green Blue z 18.05 znorm 13.99 sky 14.8 14.8 15.2 S/N 7.5 14.1 16.1 S/N(c) 13.2 15.9 5.3 SN(E/C) 0.71
19920061	42	Red Green Blue z 18.04 znorm 13.98 sky 14.8 14.9 15.0 S/N 8.0 14.4 16.5 S/N(c) 13.4 16.2 5.2 SN(E/C) 0.73
19920062	42	Red Green Blue z 18.64 znorm 14.58 sky 14.7 14.8 14.8 S/N 12.9 21.2 23.7 S/N(c) 19.2 21.4 6.9 SN(E/C) 0.59
19920063	42	Red Green Blue z 18.55 znorm 14.49 sky 14.6 14.8 14.8 S/N 12.2 20.2 22.5 S/N(c) 18.4 20.5 6.7 SN(E/C) 0.63
19920064	42	Red Green Blue z 18.18 znorm 14.13 sky 14.5 14.8 14.9 S/N 9.4 16.9 19.0 S/N(c) 13.8 17.1 5.6 SN(E/C) 0.68
19920065	42	Red Green Blue z 18.19 znorm 14.13 sky 14.5 14.8 14.8 S/N 9.7 17.7 19.0 S/N(c) 14.1 17.0 5.5 SN(E/C) 0.66
19920066	42	Red Green Blue z 18.01 znorm 13.95 sky 14.7 14.8 15.1 S/N 8.0 14.4 16.5 S/N(c) 12.5 15.0 4.9 SN(E/C) 0.74
19920067	42	Red Green Blue z 18.06 znorm 14.00 sky 14.8 14.6 14.9 S/N 8.4 15.1 17.3 S/N(c) 12.8 15.7 5.0 SN(E/C) 0.72
19920068	42	Red Green Blue z 18.38 znorm 14.32 sky 14.4 14.7 14.8 S/N 10.7 18.2 20.6 S/N(c) 16.1 18.4 6.0 SN(E/C) 0.68
19920069	42	Red Green Blue z 18.39 znorm 14.33 sky 14.7 14.8 14.6 S/N 10.8 18.3 20.7 S/N(c) 16.2 18.5 6.1 SN(E/C) 0.62