From noon to about 9pm, out my parent's house in Austin, TX.
1. Shot out the window with a Canon 60D, modified with MagicLantern to shoot a bracketed exposure (5 shots) every 2 minutes.
2. Batch processed with Photomatix Pro
3. Arranged in After Effects and accounted for flicker (some still noticeable) with the help of GBDeflicker.