Free Access
Fig. A.1.
DSS2 R images of the OCRs (from top left to lower right) NGC 2180, Lynga 8, Bica 5, NGC 7036, NGC 6481, and ESO 324-SC15. Image sizes are 25′ × 25′, 3′ × 3′, 4′ × 4′, 10′ × 10′, 4′ × 4′, and 16′ × 16′, respectively. North is up and east to the left.
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.