Here is proof of the flip going into Solar Cycle 25. On the left is an HMI magnetogram from April 3,...
Nth is the image cadence. This is not a required field. However, if a number is entered into the field, for example 5, the application will return one in every fifth image to the user.
There is a total limit of 500 images per query.
The 4096 images are only available for archive download.