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)
17270033	47	Red Green Blue z 19.12 znorm 14.94 sky 14.4 14.3 14.4 S/N 17.2 28.1 31.0 S/N(c) 26.5 18.8 9.5 SN(E/C) 0.89
17270034	47	Red Green Blue z 19.17 znorm 14.99 sky 14.6 14.5 14.5 S/N 18.1 29.2 32.1 S/N(c) 26.9 19.0 9.7 SN(E/C) 0.90
17270035	47	Red Green Blue z 18.72 znorm 14.54 sky 13.5 13.4 13.3 S/N 12.3 21.1 22.6 S/N(c) 20.3 14.6 7.5 SN(E/C) 0.88
17270036	47	Red Green Blue z 18.52 znorm 14.34 sky 13.6 13.6 13.4 S/N 10.6 18.2 19.6 S/N(c) 18.8 13.4 7.0 SN(E/C) 0.88