George.
For the Ariel Space Mission, ExoClock project, the preferred data input method is specifically the fitted plot straight out of HOPS.
You can see some data that has already submitted by following the link below, click the “View” button(s) to inspect the plots:
https://www.exoclock.space/database/observations
For newly announced exoplanet discoveries that are currently unknown to the ExoClock database and your own survey projects then AstroImageJ would be first choice since HOPS will be unable to process the data until a minimum set of object properties are known and the HOPS database is updated.
William.