Mix 24 oz. peach nectar, 1 (750 ml) bottle white wine, 1 sliced orange and peach wedges from 1 (15 oz.) can (drained) in pitcher; chill for 1 hour. When ready to serve, add 1 liter club soda and ice cubes to pitcher and stir well. Garnish with more orange slices and peach wedges, if desired.