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)
18740077	42	Red Green Blue z 18.19 znorm 14.13 sky 14.3 14.2 14.3 S/N 8.9 15.0 16.9 S/N(c) 12.6 18.2 15.8 SN(E/C) 0.56
18740078	42	Red Green Blue z 18.15 znorm 14.09 sky 14.6 14.5 14.4 S/N 8.7 14.6 17.1 S/N(c) 12.5 18.1 15.7 SN(E/C) 0.55
18740079	42	Red Green Blue z 18.13 znorm 14.07 sky 14.6 14.5 14.4 S/N 9.5 16.0 18.4 S/N(c) 12.9 18.2 15.9 SN(E/C) 0.53
18740080	42	Red Green Blue z 18.19 znorm 14.13 sky 14.7 14.4 14.4 S/N 10.1 16.6 19.3 S/N(c) 13.8 18.9 16.5 SN(E/C) 0.53
18740081	42	Red Green Blue z 18.52 znorm 14.46 sky 14.7 14.4 14.4 S/N 11.2 18.0 21.1 S/N(c) 17.8 23.7 20.6 SN(E/C) 0.46
18740082	42	Red Green Blue z 18.44 znorm 14.38 sky 14.7 14.4 14.4 S/N 10.7 17.3 20.2 S/N(c) 17.0 23.0 19.7 SN(E/C) 0.47