2021-10-07, 01:29 PM
(This post was last modified: 2021-10-07, 01:55 PM by bigmasterdrago.)
Amazing work! I love these puzzles. It would help greatly to know the UT of the image? AEST looks to be ahead of UT by 10 hours. Correct? I'm assuming you took the image after Astronomical Twilight, so 19:11 AEST when it would be high in the east. Or waited til it transited around 22:00 local. Best I can tell, south is up and east to the right. I suppose it is possible that orbital elements for Christophe have changed in 2 months but somehow I doubt it by several hours. I have the large rock at RA 23 28 29 DEC -4 40 30.1 at 22:19 local time 67° high due north using JPL elements with epoch date JD 2459396.5 (July 1, 2021). This places Christophe 12.3' WNW of Neptune. Did you try updating the asteroid elements within ST?
Just for grins, I used an element set from July 2021 that I had laying around and the position was off by ~16" in RA and 8' in DEC. This does seem to be close to the error shown in your image.
Looking again at the trail in your image of Christophe, it appears the image may have been taken between 14:53UT and 17:53UT, just eyeballing it.
Just for grins, I used an element set from July 2021 that I had laying around and the position was off by ~16" in RA and 8' in DEC. This does seem to be close to the error shown in your image.
Looking again at the trail in your image of Christophe, it appears the image may have been taken between 14:53UT and 17:53UT, just eyeballing it.