Allsky images from a camera in Copenhagen, Denmark.

<p>Dark-frame subtracted R G and B images of the night sky from a camera in Copenhagen Denmark. Each file is a tar.gz archive with several files in, each labelled with the Bayer-filter type (R,G or B). Each FITS file in the decompressed archive is the result of subtracting an average darkframe from the average of several sky frames. The dark frames were obtained seconds before the sky image. Each sky image exposure time is 16 seconds. The camera used is a ZWO camera and it obtains its images with a CMOS sensor producing 14-bit RAW images. The FITS files are 16-bit.</p>