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)
17450071	42	Red Green Blue z 18.45 znorm 14.39 sky 14.6 14.6 14.6 S/N 7.4 14.1 15.1 S/N(c) 10.1 11.8 12.3 SN(E/C) 0.70
17450072	42	Red Green Blue z 18.58 znorm 14.52 sky 14.9 14.7 14.8 S/N 7.1 13.2 13.7 S/N(c) 10.8 12.4 13.0 SN(E/C) 0.68
17450073	42	Red Green Blue z 18.11 znorm 14.05 sky 14.8 14.9 15.1 S/N 10.8 19.0 20.6 S/N(c) 7.7 9.4 9.9 SN(E/C) 0.80
17450074	42	Red Green Blue z 18.07 znorm 14.01 sky 14.7 15.0 15.1 S/N 10.3 18.5 20.2 S/N(c) 7.4 9.2 9.7 SN(E/C) 0.81