Download original image
Top: the MeteoSpace overall structure (0.5 × 0.5 × 1.7 m) enclosing three instruments; H = Hα; Ca = CaII K. Middle: details of the two Hα telescopes; E = energy rejection filter (Baader); L1 = entrance objective (Takahashi TSA102); L2/L3 = afocal magnifying system; F = DayStar Quantum PE Fabry Pérot filter; L4 = field corrector/focuser; M = focuser motor; C = cooled CCD camera (QSI 660i). Bottom: optical design of the Hα telescopes.
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.