Actually, a little before sunset on Wednesday night. 75mm lens, about an hour exposure.

  Today I went looking for contrails with the slit scan camera and a filter that passes only infrared. The air traffic controllers didn’t provide the contrails, but I did get this image, which reminds me of astrophotographic images of nebulae. It looks like it could be a cloud close-up, but the real scale is… [Read More]

  Yesterday, the sky being close to bald, I made some slit scans of contrails. This was the most successful. With slit scans, all moving objects appear to travel opposite to the scanning direction, which is why all the planes appear to be flying from left to right.

Sunset Sunrise These are more abstract than any other slit scans I’ve posted. There’s no trying to get the viewer to see the image as anything like reality.