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Understanding Optimum Observation time
#2
Hello,

SkyTools is much more powerful than other software that you are used to. It can calculate the visual contrast for an extended object at any time of the night, under varying conditions, which includes atmospheric extinction (which depends on more than the simple altitude) and the brightness of the sky background at the eyepiece. For stellar objects it similarly calculates how detectable the objects is to the eye. It samples the night every few minutes and calculates these things for your object. The optimum time is when the visual contrast or detectability is maximized.

You can read more about this in the help system. I suggest "Visual Detection Difficulty Estimation" under Advanced topics. I also suggest the Visual Observing topic under Observing with SkyTools. You may also find the manual for the Starter Edition to be very helpful. It and other guides can be found here:

https://skyhound.com/skytools_guides.html

Video tutorials here:
https://skyhound.com/skytools_tutorials.html

Clear skies,
Greg
Clear skies,
Greg

SkyTools Developer
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RE: Understanding Optimum Observation time - by theskyhound - 2019-01-06, 09:43 PM

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