Friday, 25 July 2014

Western Limb Closeup 23rd July

This image was taken through the 100mm PST mod, and shows well compared to the previous image how the view varies between double stack and single stack solar telescopes.  The single stack image above is a much wider bandpass compared to the double stack, and there is much more photospheric light leakage, as a result features like the filaprom are much less defined and contrasty on the disk and harder to see, despite the obvious increase in resolution in going from 40mm to 100mm aperture.  This was taken at 2000mm focal length with the DMK31 camera.