I've always wanted to do long exposures of the Milky Way and other astrophotography.  Being a bit of a city dweller (well, the 'burbs anyway), it's hard to find a dark enough place to take good images.  

Luckily, the other night we were flying southbound over the Atlantic Ocean and were able to have a good view of the stars.  The hardest bit about doing the image was the fact that even the slightest bit of turbulence would lead to streaks.  If I cut the exposure time, I'd have to up the ISO (Aperture already as wide as possible) and by doing so would have to deal with extra noise.  The subject matter being specks of light, noise would be nearly indistinguishable.  So I had to find the sweet spot.

Eventually, after some experimentation, I settled on 10sec @ ƒ/4.0 at ISO6400.  EOS 5D MK III--EF24-105 at 24mm. The camera was mounted on a Platypod Pro, which I must say is an awesome bit of kit.

I'm looking forward to trying this on the ground, where I know for sure things won't move! Milky WaySeen flying across the Atlantic ocean, east of the Caribbean Sea, the Milky Way stood out clearly.