Bill,
NASA has corrected the page since your post. Now it says "The featured
analemma was composed from images taken every few days at noon".
Steve
On 2018-09-23 7:58 AM, Bill Gottesman wrote:
The NASA page says the photos were taken at 4PM, but it sure looks
like they were taken at mean solar noon (because the analemma is
vertical). Does anyone have an explanation for this?
-Bill
On Sun, Sep 23, 2018 at 10:38 AM Robert Terwilliger
<b...@twigsdigs.com <mailto:b...@twigsdigs.com>> wrote:
Astronomy Picture of the Day
https://apod.nasa.gov/apod/ap180923.html
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