Potting shrimps

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Anybody else find the little blighters difficult to hit?

[/ QUOTE ]I suspect you are not allowing for the refraction at the water's surface. I find that proper allowance, given the angle of incidence air-water at about 45º, is around 7º12'34.5". Other angles require some further calculation...... /forums/images/graemlins/smirk.gif
 
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