Table 2: Observational log of the photometric CCD magnitudes in Bessell B, V, R, I, SDSS r', i' broad-band optical and J, K $\rm NIR$ observations of the GRB 050730 afterglow.
Date (UT) of Magnitude Exposure time Telescope
2005   (s)  

B- passband		  
July 30.8608 $19.68\pm0.04$ 300 OSN 1.5 m
July 30.8745 $19.61\pm0.03$ 300 OSN 1.5 m
July 30.8899 $19.77\pm0.04$ 300 OSN 1.5 m
July 30.9567 $19.96\pm0.18$ 240 LT 2.0 m
V- passband  
July 30.8572 $18.00\pm0.01$ 300 OSN 1.5 m
July 30.8718 $18.21\pm0.01$ 300 OSN 1.5 m
July 30.8863 $18.28\pm0.02$ 300 OSN 1.5 m
July 30.9018 $18.60\pm0.02$ 300 OSN 1.5 m
July 30.9162 $18.69\pm0.04$ 300 OSN 1.5 m
July 30.9528 $18.56\pm0.08$ 240 LT 2.0 m
July 30.9536 $18.67\pm0.12$ 225 CTIO 1.3 m
July 30.9604 $18.92\pm0.08$ 225 CTIO 1.3 m
July 30.9623 $18.92\pm0.06$ $225\times4$ CTIO 1.3 m
July 30.9638 $18.92\pm0.07$ 225 CTIO 1.3 m
July 30.9711 $19.13\pm0.07$ 225 CTIO 1.3 m
r'- passband  
July 30.8625 $16.78\pm0.20$ 120 LT 2.0 m
July 30.8670 $17.11\pm0.10$ 240 LT 2.0 m
July 30.8747 $17.29\pm0.05$ 360 LT 2.0 m
July 30.8841 $17.46\pm0.04$ 240 LT 2.0 m
July 30.8872 $17.50\pm0.04$ 240 LT 2.0 m
July 30.8991 $17.74\pm0.04$ 240 LT 2.0 m
July 30.9022 $17.84\pm0.05$ 240 LT 2.0 m
July 30.9426 $17.70\pm0.05$ 240 LT 2.0 m
July 30.9604 $17.88\pm0.04$ 240 LT 2.0 m
R- passband  
July 30.8536 $17.07\pm0.01$ 300 OSN 1.5 m
July 30.8682 $17.46\pm0.01$ 300 OSN 1.5 m
July 30.8827 $17.42\pm0.01$ 300 OSN 1.5 m
July 30.8982 $17.78\pm0.01$ 300 OSN 1.5 m
July 30.9053 $17.93\pm0.01$ 300 OSN 1.5 m
July 30.9126 $17.88\pm0.02$ 300 OSN 1.5 m
July 30.9197 $17.91\pm0.02$ 300 OSN 1.5 m
July 31.6736 $21.48\pm0.07$ 300+900 HCT 2.01 m
i'- passband  
July 30.8644 $16.68\pm0.13$ 120 LT 2.0 m
July 30.8705 $16.76\pm0.06$ 240 LT 2.0 m
July 30.8798 $16.74\pm0.03$ 360 LT 2.0 m
July 30.8909 $16.90\pm0.04$ 240 LT 2.0 m
July 30.8939 $16.92\pm0.04$ 240 LT 2.0 m
July 30.9066 $17.18\pm0.04$ 360 LT 2.0 m
July 30.9105 $17.14\pm0.04$ 240 LT 2.0 m
July 30.9469 $17.08\pm0.04$ 240 LT 2.0 m
I- passband  
July 30.8495 $15.66\pm0.01$ 300 OSN 1.5 m
July 30.8646 $16.35\pm0.01$ 300 OSN 1.5 m
July 30.8791 $16.34\pm0.01$ 300 OSN 1.5 m
July 30.8941 $16.59\pm0.01$ 300 OSN 1.5 m
July 30.9088 $16.87\pm0.01$ 300 OSN 1.5 m
July 30.9232 $16.80\pm0.02$ 300 OSN 1.5 m
July 30.9503 $16.74\pm0.01$ 400 IAC80
July 30.9517 $16.87\pm0.03$ 225 CTIO 1.3 m
July 30.9623 $16.97\pm0.02$ 225 CTIO 1.3 m
July 30.9671 $17.10\pm0.02$ 225 CTIO 1.3 m
July 30.9769 $17.22\pm0.02$ 225 CTIO 1.3 m
July 31.9167 $20.75\pm0.08$ 900+1800+2200 IAC80
Aug. 01.1963 $20.73\pm0.01$ $360\times6 $ CTIO 1.3 m
Aug. 03.0341 $22.64\pm0.46$ $300\times11$ OSN 1.5 m
J- passband  
July 30.9537 $16.17\pm0.07$ $45\times4$ CTIO 1.3 m
July 30.9605 $16.14\pm0.08$ $45\times4$ CTIO 1.3 m
July 30.9639 $16.55\pm0.08$ $45\times4$ CTIO 1.3 m
July 30.9711 $16.46\pm0.07$ $45\times4$ CTIO 1.3 m
July 31.0285 > $19.5\pm0.1$ $60\times30$ CTIO 1.3 m
K- passband  
July 30.9538 $14.73\pm0.10$ $45\times8$ CTIO 1.3 m
July 30.9708 $15.01\pm0.10$ $45\times8$ CTIO 1.3 m


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