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)
19930057	42	Red Green Blue z 18.74 znorm 14.68 sky 14.6 14.4 14.7 S/N 13.9 22.5 25.2 S/N(c) 20.5 23.3 7.4 SN(E/C) 0.56
19930058	42	Red Green Blue z 18.73 znorm 14.67 sky 14.5 14.5 14.9 S/N 13.2 21.9 24.8 S/N(c) 20.0 22.7 7.3 SN(E/C) 0.57