I'm still working on cleaning up the metadata/linting. But I got the Aladin java thing working on my linux workstation (no luck on lsst-devl03, it froze and needed a kill -9).
Here is what ds9 shows for the patch in ci_hsc:
And here is what the initial view of java -jar AladinBeta.jar hips/i looks like:
And zooming out, it looks like the patch (with the asinh scaling, I didn't work hard on this):