The Canon EOS Ra is now available to purchase, having leaked earlier this month. The night shot and astrophotography specialist launched quietly, and includes the same 30.3 MP full-frame CMOS sensor as the regular EOS R does. Canon has added a modified IR filter though, which promises to transmit up to four times the volume of Hydrogen Alpha rays than the IR filter in the regular Canon EOS R can. The EOS Ra will start shipping on December 3.
https://www.notebookcheck.net/Canon-EOS-Ra-The-camera-for-astrophotographers-is-now-available-to-purchase.443190.0.html