Quote:
Originally Posted by AstroJunk
A powerfull torch or spotlight does it. Not nearly as cute as a thin green line, but that's what astronomers have been using for decades and they work (nearly) as well!
I was at a show in The Alice recently where both were used - the spotlight to show 'big' items such as constellations, and the laser to point out small details. It was very efffective.
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Hmm...don't know if the spotlight would be popular if you were doing it at a public viewing!