I keep meaning to get back to my suite of equirectangular image functions - viewers, editors, authoring etc. and this reminded me to resurrect the Viewer.

https://equinaut.surge.sh/?eqr=https://raw.githubusercontent...

Not quite right I think because the source image issn't 2x1 aspect ratio.

They can look really nice: both in the real world - https://equinaut.surge.sh/?eqr=https://upload.wikimedia.org/...

or

the virtual world: https://equinaut.surge.sh/?eqr=https://live.staticflickr.com...