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)
1640021	50	Red Green Blue z 18.59 znorm 14.34 sky 13.4 13.1 12.9 S/N 10.4 16.4 16.1 S/N(c) 9.7 15.2 18.3 SN(E/C) 0.39
1640022	50	Red Green Blue z 18.62 znorm 14.38 sky 13.5 13.3 13.2 S/N 10.5 16.8 17.4 S/N(c) 9.4 15.3 18.7 SN(E/C) 0.41
1640023	50	Red Green Blue z 18.42 znorm 14.17 sky 13.3 13.2 13.1 S/N 9.2 14.8 15.4 S/N(c) 8.0 13.0 16.4 SN(E/C) 0.41
1640024	50	Red Green Blue z 19.09 znorm 14.85 sky 14.0 13.7 13.4 S/N 14.9 22.6 24.5 S/N(c) 13.3 21.1 25.5 SN(E/C) 0.32
1640025	50	Red Green Blue z 19.03 znorm 14.78 sky 13.9 13.7 13.4 S/N 14.1 21.9 23.2 S/N(c) 12.5 20.1 24.1 SN(E/C) 0.33