Michael Purcell‘s image of M81, taken on December 12, 1993 at 01:55:35
with his Meade 10-inch f/6.3 SC Telescope and a ST6 CCD camera,
exposed 15 minutes.
Taken by amateurs of the Sternfreunde Breisgau e.V. at the
Schauinslandsternwarte with their ST7 CCD camera on a Celestron 11.
Contributed by Peter Suetterlin
from the CCD image collection of the