Free Access

Table 1

Specifications of Kodaikanal white-light images.

Parameter Description

Observation period 1904 to 2011
Telescope 15 cm objective with f/15 beam
Original storage Plates/films
Total number of plates 31800 (1904 to 2011)
Average number of plates per year 290
Calibration period 1921 to 2011
Final image size 4k × 4k
Pixel scale 0.62′′
Available image format FITS and JPG
Raw images available at http://kso.iiap.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.