Old thread but here's my opinion.
I use an AH and prefer to superimpose the images, partly because then I don't have to do the u/l limb corrections, partly because I can never remember which is upper or lower with the AH and partly, as has been mentioned to 'average' out the effect of the rippling of the water, lol.
I use an AH and prefer to superimpose the images, partly because then I don't have to do the u/l limb corrections, partly because I can never remember which is upper or lower with the AH and partly, as has been mentioned to 'average' out the effect of the rippling of the water, lol.
I used to be a normal person, then I discovered how to locate myself on this planet using a star.