Histogram of images over time
Use this form to generate histograms of the number of observations within any time interval.
Plotting observation times of 18680 images.
Copyright of all images and other observations submitted to the BAA remains with the owner of the work.
Reproduction of work by third parties is expressly forbidden without the consent of the copyright
holder. By submitting images to this online gallery, you grant the BAA permission to reproduce them in
of our publications.