Kodaikanal Solar Data Archive
The first histogram shows the number of images taken in a given year. You can toggle the type of images by clicking on one of the buttons given below. Clicking on an year OR updating it using the slider below/input box and clicking Update will update the second histogram to reflect the month-wise distribution of images. Hovering over any of these bars will reveal a Gallery icon (except for when viewing histogram for Total Images) - clicking this icon will take you to a day-wise gallery of images.
Month-wise breakup for Year 1904