Two images were combined for 15 minute long star trails. Each exposure was 7½ minutes at f/8, ISO 200.
- Time: 9:15 p.m.
- Moon: Full
- Elevation: 10,000 feet
- Temperature: 46 degrees
- Wind: 20-30mph
- Temperature with wind chill factor: bloody cold
- Number of other cars in parking lot: 1
- Smile on my face when the car drove up the observatory road: huge