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)
18740086	42	Red Green Blue z 17.82 znorm 13.76 sky 14.6 14.2 14.4 S/N 7.4 13.5 15.0 S/N(c) 3.3 5.8 4.2 SN(E/C) 0.74
18740087	42	Red Green Blue z 17.86 znorm 13.80 sky 14.7 14.4 14.4 S/N 8.3 15.1 16.6 S/N(c) 3.4 5.9 4.4 SN(E/C) 0.71
18740088	42	Red Green Blue z 17.99 znorm 13.93 sky 14.6 14.4 14.4 S/N 4.0 7.9 8.1 S/N(c) 3.7 6.3 4.7 SN(E/C) 0.65
18740089	42	Red Green Blue z 18.02 znorm 13.97 sky 14.9 14.5 14.4 S/N 3.7 7.5 7.6 S/N(c) 3.8 6.5 4.9 SN(E/C) 0.66
18740090	42	Red Green Blue z 18.76 znorm 14.70 sky 14.4 14.4 14.4 S/N 8.6 15.3 16.4 S/N(c) 6.4 9.7 7.4 SN(E/C) 0.47
18740091	42	Red Green Blue z 18.80 znorm 14.74 sky 14.5 14.4 14.3 S/N 8.8 16.0 16.8 S/N(c) 6.4 9.9 7.6 SN(E/C) 0.49