Two globular clusters, M3 and M13

The imaging season of 2026 is soon coming to an end here at 65°N. I managed to capture a couple of hours of new data for two northern globular clusters, M3 and M13. My new processing method reveals extremely faint stars and shows that these clusters have a much larger angular diameter than is usually seen in images of them. Both LRGB images have a total exposure time of about four and a half…