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)
18270039	47	Red Green Blue z 19.18 znorm 15.00 sky 15.3 15.0 14.9 S/N 14.8 25.2 28.7 S/N(c) 21.4 44.1 67.2 SN(E/C) 0.36
18270040	47	Red Green Blue z 19.18 znorm 15.00 sky 15.1 15.0 15.1 S/N 14.9 25.1 28.5 S/N(c) 21.4 44.4 67.3 SN(E/C) 0.38
18270041	47	Red Green Blue z 19.18 znorm 15.00 sky 15.0 15.0 15.0 S/N 15.0 25.3 28.5 S/N(c) 21.4 44.2 67.2 SN(E/C) 0.37
18270042	47	Red Green Blue z 19.21 znorm 15.03 sky 15.6 15.4 15.1 S/N 14.7 24.8 28.3 S/N(c) 21.6 44.2 67.5 SN(E/C) 0.38
18270043	47	Red Green Blue z 19.18 znorm 15.00 sky 15.2 15.0 15.3 S/N 14.3 24.5 27.5 S/N(c) 21.2 43.7 66.7 SN(E/C) 0.38
18270044	47	Red Green Blue z 19.18 znorm 15.00 sky 15.2 15.1 15.2 S/N 14.4 24.6 28.0 S/N(c) 21.3 43.8 66.7 SN(E/C) 0.37
18270045	47	Red Green Blue z 19.21 znorm 15.03 sky 15.3 15.0 15.2 S/N 14.7 25.1 28.7 S/N(c) 21.7 44.5 67.8 SN(E/C) 0.39
18270046	47	Red Green Blue z 19.19 znorm 15.00 sky 15.2 15.2 15.3 S/N 14.6 24.4 28.2 S/N(c) 21.4 43.9 66.8 SN(E/C) 0.38