Astrophotography from a tripod

Constellation Corona Borealis

Date: 04.04.1996 ca. 02.30 CEST

Lens: f=50 mm f/1,7

Exposure time: 20 seconds

Film: Fujicolor 1600



This picture was taken during a lunar eclipse. The faintest visible stars are dimmer than mag. 10. The well known variable R CrB, a carbon star, had reached its minimum and is not visible. The globular cluster M13 in Hercules can be seen in the yellow square on the left between two stars.

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