The Canon EOS Ra astrophotography mirrorless camera is now discontinued:
"This one shouldn’t come as a shock, but production of the Canon EOS Ra has ceased and it has been officially discontinued according to a couple of sources. One source has said production of the Canon EOS R has also ended, but that inventory will exist for quite some time." (via Canonrumors)
The Canon EOS Ra is listed as discontinued at B&H and is completely missing from Adorama:
