I have done eyepiece projection a few times with my 60mm, the main ones that come to mind are the transit of Venus and of Mercury, but the eyepiece was a front lense from an 8mm cine projector turned down to fit the 1" focusser (expendable). Best advice has already been given, invest in some Baader film and make a full aperture filter if you want to do the occasional bit of solar viewing.
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