The cache is NOT hidden at the above coordinates which are for a school playing field.
Find the Formula to calculate the required coordinates from the following photos.
Assume N 51 08 and W 000 32
You can check your answers for this puzzle on GeoChecker.com.
The photos have been edited to remove sponsorship names and logos in accordance with Geocaching guidelines which may or may not make it a little harder! As this is my first Puzzle cache I will see how long it takes for the FTF before adjusting the difficulty level if required - please let me know what you think.
Congratulations to mpw246pl and Haggis 87 on Joint FTF!
For the Northings find the total number of Grand Prix entered by all of the eight drivers up to the end of the 2012 season then divide this by 3 and add 12.