After ending the visual observations I noticed a bright flash that lit up the ground and surroundings. It was a Northern Taurid fireball with a terminal flash of at least magnitude -7.

Picture 1. Fireball with many breaks and a flare. Click on the image for a larger version.

Picture 2. Crop of previous image.

Camera: Canon EOS 40D
Lens: Sigma 4.5 mm F2.8 EX DC Circulair fish eye
Timer Controller: Canon TC80N3
Exposure time: 89s
Interval: 1 s
ISO: 400
F: 3,2
Date: 23-11-2015
Period UT: 05:38:00 – 05:39:29
Time UT: 05:38:14 (timing CAMS Alphen aan den Rijn (Robert Haas).
Classification: NTA
Constellation: CAM -> UMA
Brightness: -7 (flare)
Simultaneously: EN-95 Benningbroek (Jos Nijland). EN-97 Oostkapelle (Klaas Jobse), CAMS Alphen aan den Rijn (Robert Haas), VSB all sky camera.