7. To do this, loosen the webcam in the barlow lens and get the planet visible on the screen again,
let go of the scope and turn the webcam until the planet drifts left-to-right and re-tighten the
webcam in the barlow lens.
8. Get the planet onto the laptop screen and look through the finderscope and make a mental note of
where the planet is positioned. This is the critical point you want for the arc of the planet to drift
into. For example as detailed below.
