It might be too short notice to do something with this but this is running in a number of locations worldwide this weekend (including TOG, in Dublin)There are some pretty interesting challenges: http://spaceappschallenge.org/challenges/I've been eager to try doing something similar to this (although the logistics of doing it in Ireland might prove difficult) http://www.popsci.com/military-aviation-amp-space/article/2009-09/how-take-photos-edge-space-150Fergal