I'd closed it since but just tried it again. https://www.metabunk.org/sitrec/?custom=18302/StarTrackerTest_1/20260804_203008.js
From frames 1235 to 1413 (20.23s-23.14s) - (I was curious what it would make of the five faint stars in a chevron...
Great.
It seems like photoephemeris.com, moon calc etc. use the refraction measure too, maybe just an average. Because when it says Moon a 0 degree it matches Sitrec with refraction ON
What in/out frame range did you use? That video has some sudden camera jumps
I just tried it on 93-254 and it seemed to work:
https://www.metabunk.org/sitrec/?custom=11433/Bat%20full%20timelapse/20260225_093540.js
I tried this on a around 400 frames of the Park City UT video, but running it a couple of times on the same section gave different results. For example the first with Vega identified, and second with Achird visible. But, perhaps that video is too...
Are you logged in with 3D buildings and the building source set to Google Photorealistic?
https://www.metabunk.org/sitrec/?custom=1/Mallorca%20eclipse%20totality/20260804_175704.js
It is now (2.114.0) on by default.
And it's quite dramatic at these zooms:
Refraction off (geometric ideal)
Refraction on (real life)
At the horizon, it's nearly 0.5 degrees. That does not sound like much, but it's about the diameter of...