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)
19720028	47	Red Green Blue z 18.95 znorm 14.77 sky 15.2 14.8 15.1 S/N 15.2 24.1 27.0 S/N(c) 18.8 32.5 22.8 SN(E/C) 0.31
19720029	47	Red Green Blue z 18.86 znorm 14.68 sky 15.2 14.9 15.1 S/N 14.6 23.6 26.3 S/N(c) 18.3 31.7 22.1 SN(E/C) 0.31
19720030	47	Red Green Blue z 18.90 znorm 14.72 sky 15.1 15.0 15.4 S/N 14.9 24.3 27.1 S/N(c) 18.3 32.2 22.4 SN(E/C) 0.30
19720031	47	Red Green Blue z 18.85 znorm 14.67 sky 14.9 15.0 15.0 S/N 14.5 23.7 26.2 S/N(c) 18.5 32.0 22.0 SN(E/C) 0.30