SRT

Technical description

• Ritchey-Chretien telescope for 171, 195, 284, 304A bands (multilayer optics is analogous to the SOHO EIT telescope). FOV 42', angular resolution 2,4"/pix.
• Herschel telescope-coronagraph for 175, 304A bands with off-axis paraboloids with Mo-Si coating. FOW 45', angular resolution 2,6"/pix. In the coronagraphic mode the instant FOV 45' at 2-5 Rsun.
• two optical sensors to control pointing to the Sun by stars.

Additional info on the device at LPI site