Second Arduino intervalometer test

Moon setting over Zugersee on 22 March 2010. I was up at 5.30am this morning for this. Thats rather early  for me. Having learnt that the moon was at its largest it will be for 20 years, I wanted to try to see how I could get along with some further testing of my arduino intervalometer.

Intervalometer: homemade, exposure compensating/bulb ramping arduino intervalometer.
Processed in Adobe Aftereffects
No deflicker applied.
Camera: Taken with Canon 50d.
Lens: Sigma 10-20mm 1:4-5.6 DC HSM
Aperture: F7.0
Focal length: 10mm
Taken over a period of 1hr15 (5:45am to 7:00am)
Longest exposure: 20 sec
Shortest exposre 1/125 sec

I went back to sleep so am not sure that this went exactly according to plan..

I have a few ideas for some variations (updating the arduino script). Watch this space.