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#11
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David J Taylor wrote:
RichA wrote: [] Probably not enough magnification to worry about atmospheric (seeing) conditions. If the stars are really twinkling, that's a sign that the atmosphere is unsteady and detail can be washed out. I thought the shots were good because there was crater detail and yet they were taken without a driven astronomical mounting. -Rich The elevation of the moon was only about 20 degrees in the shot from this year, hence my comment. The exposure was just 1/500s at f/4 (according to the EXIF data). One day I'll get a proper telescope (been saying that for 30 years) but the atmospheric light pollution just gets worse and worse here so there's not much point. Thanks for the comments, though. Just fun shots with a new toy! Cheers, David If you wait long enough, maybe you can get a telescope with adaptive optics. grin. -- Ron Hunter |
#12
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On Mon, 25 Apr 2005 09:12:24 GMT, "David J Taylor"
wrote: RichA wrote: [] Probably not enough magnification to worry about atmospheric (seeing) conditions. If the stars are really twinkling, that's a sign that the atmosphere is unsteady and detail can be washed out. I thought the shots were good because there was crater detail and yet they were taken without a driven astronomical mounting. -Rich The elevation of the moon was only about 20 degrees in the shot from this year, hence my comment. The exposure was just 1/500s at f/4 (according to the EXIF data). One day I'll get a proper telescope (been saying that for 30 years) but the atmospheric light pollution just gets worse and worse here so there's not much point. Thanks for the comments, though. Just fun shots with a new toy! Cheers, David Doesn't matter on planets or the moon. Light pollution only effects "deepsky" objects like nebula, galaxies, stars, etc. -Rich |
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