Table 1: Table of photometry (taken from Larsen 2004), ``background factors'' and the average background contribution for the five clusters observed.

Cluster	Photometry (mag)					Background factors			Background
	V	U-B	B-V	V-I	814W	Low	Mid	High	contribution ()
347	18.27	-0.62	-0.06	0.40	19.61	1.0	0.7	0.5	79
645	18.16	-0.38	0.23	0.39	19.56	1.2	0.8	0.6	89
747	17.36	-0.65	0.25	0.57	19.80	1.4	1.0	0.7	76
805	16.60	-0.55	0.19	0.65	17.68	1.5	1.1	0.8	62
897	16.95	-0.16	0.51	0.75	19.83	1.7	1.3	0.9	86