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Astrojensen
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Reged: 10/05/08

Loc: Bornholm, Denmark
Re: Ridiculously high magnification on the Moon new [Re: simpleisbetter]
      #5550351 - 12/02/12 01:33 PM

Quote:

In Jim's case, his barlow stacking result might be him viewing the Earth from the Moon's surface.




Yeah, from the far side.


Clear skies!
Thomas, Denmark


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Sarkikos
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Reged: 12/18/07

Loc: Scotophobe Maryland, USA
Re: Ridiculously high magnification on the Moon new [Re: RobDob]
      #5550850 - 12/02/12 07:07 PM

Quote:

Such is the beauty of the moon! Ridiculous high power and ridiculous low power, and everywhere in between, it always looks good!

Rob




Yep. For lunar observation, there is a level of image scale to suit everyone!

Mike


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azure1961p
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Reged: 01/17/09

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Re: Ridiculously high magnification on the Moon new [Re: Sarkikos]
      #5550926 - 12/02/12 07:52 PM

LOL, I dont know if it looks GOOD but its a fun exercise.

Pete


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Brian Albin
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Reged: 08/22/06

Loc: Western Oregon
Re: Ridiculously high magnification on the Moon new [Re: azure1961p]
      #5555057 - 12/05/12 03:49 AM

My calculator says 550/6 = 92 diameters per inch of aperture. That is excellent performance. I should like to have a scope like that myself. I imagine the slow focal ratio is responsible, as Newtons get a lot of coma at the faster ratios.

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Sarkikos
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Reged: 12/18/07

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Re: Ridiculously high magnification on the Moon new [Re: Brian Albin]
      #5555203 - 12/05/12 07:09 AM

You can always bump up the power. But will you see any more detail than at a more moderate magnification?

Mike


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magic612
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Reged: 09/30/08

Loc: S. of Chicago's light dome
Re: Ridiculously high magnification on the Moon new [Re: Sarkikos]
      #5555346 - 12/05/12 09:32 AM

Mike, I don't know, as I've not yet had either a clear or calm night since then to try it again at that magnification. It's either been too windy (it's a rather long tube!), or the clouds haven't been cooperative. It's certainly possible - even likely - that I'm not seeing any more detail.

I don't expect to be able to repeat the 550x often, for sure. It was just something fun to do that night, and we were fortunate that the atmosphere at the time supported it. In any case, the scope needs more work done on it anyway - a fan needs to be added, the interior needs to be darkened to avoid the waxy interior, and a number of other improvements.

I'll certainly report back if I get the chance to try 550x again, and what, if any, difference(s) in detail I can perceive.


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