M44 - Praesepe.
The image below was made with my SBIG STL-4020 and Canon EF L 300mm lens. The image is 50% size, for a full size image click here.
This image was made up of 10x1m exposures for each RGB Astronomik filters.
A mosaic of 4 ST7 images taken on 5 Jan 2000 with ST7 and FFC 190/200/760. Although shown at the same scale as my other ST-7 images, this image covers a 4 times larger area, about equal to an ST8 image. Each part of the mosaic was exposed 6 minutes.