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)
21750054	47	Red Green Blue z 19.11 znorm 14.93 sky 12.6 13.0 12.8 S/N 14.8 21.0 26.1 S/N(c) 15.5 7.8 15.9 SN(E/C) 0.86
21750055	47	Red Green Blue z 19.19 znorm 15.01 sky 13.1 13.6 13.4 S/N 15.6 23.0 28.6 S/N(c) 16.4 8.3 17.0 SN(E/C) 0.85
21750056	47	Red Green Blue z 19.09 znorm 14.91 sky 13.1 13.5 13.3 S/N 14.6 21.2 26.7 S/N(c) 15.5 7.9 16.1 SN(E/C) 0.87
21750057	47	Red Green Blue z 19.05 znorm 14.87 sky 12.6 13.1 12.9 S/N 13.4 20.2 24.9 S/N(c) 14.8 7.6 15.4 SN(E/C) 0.88