Table 2: CCD BVRI broad band optical photometric observations of the GRB 021004 afterglow. At Hanle, 2-m HCT was used while at Nainital, 104-cm Sampurnanand optical telescope was used.
Date (UT) Magnitude Exposure time Passband Telescope

2002 December (mag) (s)

11.9347
$22.7\pm0.14$ $2\times1200$ B 104-cm

11.8264
$22.3\pm0.20$ 1800 V 104-cm

11.9632 >22.6 1800 V 104-cm

11.7549
$21.9\pm0.21$ 2 $\times$ 900 R 104-cm

11.7792 $21.9\pm0.16$ 2 $\times$ 900 R 104-cm

11.8640 $22.1\pm0.18$ 600 R HCT

11.8730 $22.1\pm0.18$ 600 R HCT

11.8822 $22.1\pm0.14$ 600 R HCT

11.8914 $22.4\pm0.24$ 600 R HCT

11.8993 $22.5\pm0.21$ $2\times1800$ R 104-cm

11.9318 $22.2\pm0.18$ $2\times600$ R HCT

11.8028 >21.4 $2\times900$ I 104-cm

**Table 2:** CCD BVRI broad band optical photometric observations of the GRB 021004 afterglow. At Hanle, 2-m HCT was used while at Nainital, 104-cm Sampurnanand optical telescope was used.
Date (UT)	Magnitude	Exposure time	Passband	Telescope
2002 December	(mag)	(s)
11.9347	$22.7\pm0.14$	$2\times1200$	B	104-cm
11.8264	$22.3\pm0.20$	1800	V	104-cm
11.9632	>22.6	1800	V	104-cm
11.7549	$21.9\pm0.21$	2 $\times$ 900	R	104-cm
11.7792	$21.9\pm0.16$	2 $\times$ 900	R	104-cm
11.8640	$22.1\pm0.18$	600	R	HCT
11.8730	$22.1\pm0.18$	600	R	HCT
11.8822	$22.1\pm0.14$	600	R	HCT
11.8914	$22.4\pm0.24$	600	R	HCT
11.8993	$22.5\pm0.21$	$2\times1800$	R	104-cm
11.9318	$22.2\pm0.18$	$2\times600$	R	HCT
11.8028	>21.4	$2\times900$	I	104-cm

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