Irish Sea Offshore Racing Association (ISORA) 2010 Race 7, Dun Laoghaire to North India Cardinal Mark & back Night Race, takes place on Friday 23rd July. It is being organized in conjunction with the Royal Alfred Yacht Club (RAYC)/Lee Overlay Offshore Series using the same start at Scotsman's Bay, 35 nautical mile course (via Muglins to starboard, North India to port, Muglins to port) and finish at Dun Laoghaire Harbour between the piers.
ISORA 2010 Race 7 Sailing Instructions HERE
North India Cardinal Mark approximate position: 53º03'·12N 05º53'·46W
(Source: Reeds Nautical Almanac.)