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)
18770011	47	Red Green Blue z 16.78 znorm 12.60 sky 12.5 12.5 12.5 S/N 2.0 4.2 4.7 S/N(c) 7.8 9.0 2.4 SN(E/C) 1.02
18770012	47	Red Green Blue z 17.95 znorm 13.77 sky 13.0 12.9 12.9 S/N 6.1 11.3 12.3 S/N(c) 18.8 20.2 5.3 SN(E/C) 0.98
18770013	47	Red Green Blue z 18.71 znorm 14.53 sky 13.5 13.5 13.3 S/N 11.9 20.4 21.9 S/N(c) 30.3 31.7 8.1 SN(E/C) 0.93
18770014	47	Red Green Blue z 18.62 znorm 14.44 sky 13.4 13.4 13.2 S/N 11.1 19.0 20.3 S/N(c) 28.3 30.0 7.6 SN(E/C) 0.92
18770015	47	Red Green Blue z 18.70 znorm 14.52 sky 13.6 13.5 13.4 S/N 11.9 20.0 21.9 S/N(c) 29.7 31.6 8.1 SN(E/C) 0.91
18770016	47	Red Green Blue z 18.59 znorm 14.41 sky 13.5 13.4 13.3 S/N 10.4 18.2 19.5 S/N(c) 27.2 29.6 7.5 SN(E/C) 0.97
18770017	47	Red Green Blue z 18.55 znorm 14.37 sky 13.4 13.3 13.2 S/N 10.0 17.4 18.8 S/N(c) 26.5 28.7 7.3 SN(E/C) 0.86
18770018	47	Red Green Blue z 18.55 znorm 14.37 sky 13.3 13.3 13.2 S/N 10.2 17.3 19.1 S/N(c) 26.5 28.9 7.4 SN(E/C) 0.90