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The Moon, an amazing image

Started by The Thing, Oct 15, 2015, 12:30:12

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The Thing


Roy


ApophisAstros

Should we be able to see evidence of the Moon landings on such a hi res image?

Roger
RedCat51,QHYCCD183,Atik460EX,EQ6-R.Tri-Band OSC,BaaderSII1,25" 4.5nm,Ha3.5nm,Oiii3.5nm.

Rick

Not by a very long way, no.

The Moon has a diameter of about 3500 kms. The Moon on that image is less than 7,500 pixels across. The best pixels are about 500 metres square.

Assume the landing sites are dead centre, so we're looking directly down on them. Suppose we need pixels ten metres square to see evidence of the lunar landings. (That's probably optimistic.) We'd need an image of the whole Moon that was about 350,000 pixels across for the best pixels to cover about 10 metres square...

...and that's ignoring diffraction limits on resolution.

ApophisAstros

Any idea whether we'll ever get that quality so we can view them.
Roger
RedCat51,QHYCCD183,Atik460EX,EQ6-R.Tri-Band OSC,BaaderSII1,25" 4.5nm,Ha3.5nm,Oiii3.5nm.

Rick

Using ground-based telescopes it's going to be a matter of resolution. You have to work within the limits of diffraction, and that depends on aperture. My guess is amateurs won't be able to see evidence of human activity on the Moon until we go back and start building cities there.

Kenny

The detail on that is amazing.