Yes, you definitely can do science with Seestar.

Here's a light curve showing the primary eclipse of the eclipsing binary AB Andromedae using the green channel of Seestar images.

This this shows the change in magnitude of a variable star over just two hours.

HOYS-CAPS Hunting Outbursting Young Stars. The project aims to image nearby, young clusters and star forming regions with small, amateur telescopes to study the light-curves of young stars.