Table 2: Journal of observations of NGC 1582, NGC 1663 and standard star fields together with calibration coefficients (November 8, 2002).
Field Filter Exposure time Seeing Airmass

[s] [ $\prime\prime$ ]

NGC 1582 U $900\times 2$ 180 20 2.5 1.196

B 600 60 10 2.3 1.230

V 300 30 5 2.4 1.255

I 300 30 5 2.1 1.274

NGC 1663 U $900\times 2$ - - 2.5 1.348

B 600 60 - 2.4 1.215

V 300 30 3 2.2 1.188

I 300 30 3 2.0 1.190

PG 0231+051 U 800 2.5 1.348

B 300 2.4 1.324

V 60 2.2 1.316

I 90 2.2 1.315

PG 2213-006 U 600 2.5 1.447

B 150 2.3 1.457

V 30 2.3 1.465

I 30 2.3 1.472

Calibration $u_1 = +3.861 \pm 0.015$ $b_1 = +1.602 \pm 0.004$

coefficients $u_2 = -0.142 \pm 0.022$ $b_2 = +0.038 \pm 0.006$

u₃ = +0.58 b₃ = +0.29

$v_{1bv} = +1.003 \pm 0.014$ $i_1 = +1.691 \pm 0.044$

$v_{2bv} = -0.016 \pm 0.018$ $i_2 = +0.057 \pm 0.043$

v₃ = +0.16 i₃ = +0.08

$v_{1vi} = +1.002 \pm 0.016$

$v_{2vi} = -0.013 \pm 0.016$

**Table 2:** Journal of observations of NGC 1582, NGC 1663 and standard star fields together with calibration coefficients (November 8, 2002).
Field	Filter	Exposure time	Seeing	Airmass
		[s]	[ $\prime\prime$ ]
NGC 1582	U	$900\times 2$	180	20	2.5	1.196
	B	600	60	10	2.3	1.230
	V	300	30	5	2.4	1.255
	I	300	30	5	2.1	1.274
NGC 1663	U	$900\times 2$	-	-	2.5	1.348
	B	600	60	-	2.4	1.215
	V	300	30	3	2.2	1.188
	I	300	30	3	2.0	1.190
PG 0231+051	U	800			2.5	1.348
	B	300			2.4	1.324
	V	60			2.2	1.316
	I	90			2.2	1.315
PG 2213-006	U	600			2.5	1.447
	B	150			2.3	1.457
	V	30			2.3	1.465
	I	30			2.3	1.472
Calibration	$u_1 = +3.861 \pm 0.015$	$b_1 = +1.602 \pm 0.004$
coefficients	$u_2 = -0.142 \pm 0.022$	$b_2 = +0.038 \pm 0.006$
	u₃ = +0.58	b₃ = +0.29
	$v_{1bv} = +1.003 \pm 0.014$	$i_1 = +1.691 \pm 0.044$
	$v_{2bv} = -0.016 \pm 0.018$	$i_2 = +0.057 \pm 0.043$
	v₃ = +0.16	i₃ = +0.08
	$v_{1vi} = +1.002 \pm 0.016$
	$v_{2vi} = -0.013 \pm 0.016$

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