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)
19730057	47	Red Green Blue z 18.80 znorm 14.62 sky 14.9 14.6 14.6 S/N 13.0 21.5 23.7 S/N(c) 18.0 39.0 48.9 SN(E/C) 0.94
19730058	47	Red Green Blue z 18.74 znorm 14.56 sky 15.2 14.7 14.6 S/N 12.8 21.3 23.1 S/N(c) 17.7 38.3 48.5 SN(E/C) 0.92
19730059	47	Red Green Blue z 18.85 znorm 14.67 sky 14.6 14.7 14.8 S/N 13.7 22.9 24.9 S/N(c) 18.8 40.1 51.4 SN(E/C) 0.90
19730060	47	Red Green Blue z 18.92 znorm 14.74 sky 14.8 14.7 14.8 S/N 13.9 23.6 25.7 S/N(c) 19.6 41.6 53.1 SN(E/C) 0.91
19730061	47	Red Green Blue z 18.86 znorm 14.68 sky 15.3 14.9 14.8 S/N 13.8 23.0 25.0 S/N(c) 19.2 41.1 51.7 SN(E/C) 0.93
19730062	47	Red Green Blue z 18.78 znorm 14.60 sky 15.0 14.7 14.8 S/N 13.1 21.8 24.2 S/N(c) 18.5 39.2 49.7 SN(E/C) 0.93
19730063	47	Red Green Blue z 18.90 znorm 14.72 sky 15.0 14.8 14.8 S/N 13.7 23.1 25.3 S/N(c) 19.7 41.7 52.8 SN(E/C) 0.89
19730064	47	Red Green Blue z 18.92 znorm 14.74 sky 15.0 14.7 14.9 S/N 14.1 23.3 25.9 S/N(c) 20.0 42.1 53.7 SN(E/C) 0.85