Submitted by Star-Fever t3_z7u5i0 in EarthPorn
Mr--Joestar t1_iyb86kc wrote
Reply to comment by Star-Fever in Starry night in the Catskill Mountains [1605 x 2000] [OC] by Star-Fever
How long were your exposures?
Star-Fever OP t1_iyctsye wrote
20 seconds each. The maximum length of star exposures is usually governed by the "rule of 500" so you don't get oblong stars or star trails in each frame. Divide 500 by the focal length of your lens (and use full-frame equivalent for APS-C cameras). That'll give you a good exposure time in seconds.
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