From the file:PIA19401-MarsCuriosityRover-GaleCrater-Sunset-Animation-20150415.gif
Of the four images below from the gif, one of them depicts twilight.
Were there anymore twilight images in this sequence that were released to the public?
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Images like these might qualify but I'm not qualified to judge: Why is this “grainy footage” of a Martian (sky) from Curiosity so grainy? Cloud snaps by Opportunity look great! – uhoh Dec 20 '19 at 01:02
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1Look for sol 956 on the raw images site: https://mars.nasa.gov/msl/multimedia/raw-images/ – Cornelis Dec 20 '19 at 11:05
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@Cornelisinspace That link looks like it will be a great resource. – Bob516 Dec 20 '19 at 13:16
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To answer "how long does twilight last on Mars?" you might enjoy the various tables from about page 16 onwards in: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19890018252.pdf – Roger Dec 20 '19 at 15:02
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1See your thread over there: https://astronomy.stackexchange.com/questions/34418/at-mars-equator-how-long-does-twilight-last – Dec 20 '19 at 16:55
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Sunset on sol 956, april 14, 2015
Almost twilight !
Cornelis
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Really great image, but I'm trying to find out how long twilight lasts on Mars. I was hoping if there is a full sequence of images from sunset until it was dark I could calculate it. – Bob516 Dec 20 '19 at 13:43
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1@Bob516 Thank you for the blue sunset ! It's possible to look for the term "twilight" on the NASA mission update site. https://mars.nasa.gov/msl/mission-updates/ With the found sols there, you can look for raw images. – Cornelis Dec 20 '19 at 15:16