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)
18490013	47	Red Green Blue z 18.99 znorm 14.81 sky 14.0 13.7 13.7 S/N 15.3 23.8 25.6 S/N(c) 15.5 18.9 25.7 SN(E/C) 0.91
18490014	47	Red Green Blue z 18.98 znorm 14.80 sky 14.1 13.9 13.8 S/N 14.7 23.2 25.4 S/N(c) 15.2 18.7 25.7 SN(E/C) 0.88
18490015	47	Red Green Blue z 19.05 znorm 14.87 sky 14.2 14.0 13.9 S/N 15.3 24.0 26.6 S/N(c) 16.0 19.6 26.8 SN(E/C) 0.85
18490016	47	Red Green Blue z 19.07 znorm 14.89 sky 14.3 14.0 13.9 S/N 15.4 24.2 26.5 S/N(c) 16.1 19.8 27.3 SN(E/C) 0.85
18490017	47	Red Green Blue z 19.11 znorm 14.93 sky 14.3 14.0 13.9 S/N 15.8 24.9 27.7 S/N(c) 16.5 20.3 27.8 SN(E/C) 0.83
18490018	47	Red Green Blue z 19.05 znorm 14.87 sky 14.1 13.9 13.8 S/N 15.1 24.0 26.3 S/N(c) 16.0 19.7 26.9 SN(E/C) 0.88
18490019	47	Red Green Blue z 19.02 znorm 14.84 sky 14.0 13.8 13.7 S/N 14.8 23.5 25.9 S/N(c) 15.5 19.2 26.4 SN(E/C) 0.89
18490020	47	Red Green Blue z 19.01 znorm 14.83 sky 14.3 14.0 14.0 S/N 14.6 23.3 25.6 S/N(c) 15.6 19.1 26.3 SN(E/C) 0.83