With weather being as variable as it has been I took a quick snapshot this evening before I start imaging. It's a series of stacked images taken on a stationary tripod. The off white to yellow tone that others have mentioned is apparent here.

Camera: Fuji Finepix S2 Pro
Lens: AF Nikkor 180/2.8
Sensor ISO: 1600
Exposure: 8 light frame exposures of 4 seconds
Processing: Stacking done with Registar 1.0 and fine tuning and noise reduction with Adobe Photoshop CS2.