UrtheCast are working on something similar. Their camera recently made it to the ISS and the next step is a spacewalk to install it.
Robinson Meyer at “The Atlantic” did a nice overview two months ago: http://www.theatlantic.com/technology/archive/2014/01/silico...
It’s an interesting time in remote sensing.
https://news.ycombinator.com/item?id=7130768
They are owned by Longford. Longford owned perfect cover for intelligence assets in middle east (oilfields in Iraq), all of a sudden they sold those and took over spy sat startup.
CIA money laundering/cover for intelligence assets type of deal.
(Yes, you'd think they'd update their website.)