A summary of upcoming SSTV transmissions from ISS:
Preliminary scheduling shows ISS SSTV likely around April 12 (Cosmonautics day/Yuri’s Night). More details later once the official schedule is released in another week or so.
In addition to the worldwide event listed above, MAI-75 will be planning SSTV transmissions for a few orbits of ISS that are in range of Moscow. Times are roughly from 14:00-19:00 UTC on April 1 and 2.