Description and the performance are given of a reflecting telescope and accessory optics used to feed a Lyot Hα tunable filter, and then to obtain monochromatic images near the Hα wavelength. The instrumentation has been designed for coronal photography to be taken inside and outside the line during a total eclipse.
© 1970 Optical Society of America
Original Manuscript: August 20, 1970
Published: December 1, 1970
K. E. Kissell, C. Morais, A. Righini, and G. Righini, "An Optical System for Monochromatic Photography of the Electron Corona," Appl. Opt. 9, 2620-2625 (1970)