A potential use case is also returning "negative observations": instances where a given trajectory intersects a healpix frame but no observations were found. This only makes sense to do when the Healpixels are a small enough size but it could be worthwhile adding as an option to the user.
A potential use case is also returning "negative observations": instances where a given trajectory intersects a healpix frame but no observations were found. This only makes sense to do when the Healpixels are a small enough size but it could be worthwhile adding as an option to the user.