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Similar Darkness

darkness sunset long exposure nd filter

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3 replies to this topic

#1
jonramsdell

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        A question for all of you long exposure and night shooters.  I shot a 30" exposure last August that I'd like to replicate with the same look, from the same spot with the same exposure data. I checked the Photographer's Ephemeris for the time of sunset for both last August's date and today. If my shot last August was at 23 minutes after sunset, will the sky be the same level of darkness tonight at 23 minutes after sunset (assuming the same or similar cloud cover), or will my exposure be different tonight because it is now nearly winter?  Moonlight was not a factor last August, nor should it be tonight.  Is there another mitigating factor that for which I need to account?

 

Thanks in advance.



#2
TBonz

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The sun won't be setting in the same location as it did in August unless you are at or near the equator.  



#3
Ron

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Also, since the sun is in a different relative location, twilight... the last light time before sunset and night may well be different (either more or less depending on your latitude).

 

--Ron



#4
Nikon Shooter

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… add that the air will be very different too as convection
currents raise more dust particles in August and it is rela-

tively less humid when cold.

BTW, don't wish to the first star… won't work, never does!







Also tagged with one or more of these keywords: darkness, sunset, long exposure, nd filter