On November 11, 2019, SDO will watch the planet Mercury move across the face of the Sun.
The transit views begin at 1200 UTC (7 am ET) and end at 1845 UTC (1:45 pm ET). Mercury will be visible in some of the AIA channels throughout the event.
Mercury will move onto the HMI images at 1241 UTC (7:41 am ET) and exit HMI at 1805 UTC (1:05 pm ET).