It is, however, not clear to me what kind of useful information we can get from the visible spectrum at this low magnification. At 85mm you can't even make out features on the moon.
For exoplanet transits, though, you're interested in frequent time sampling to catch and model the passage of the planet in front of the star, so sampling all the bright stars in the sky every few minutes is a great way to do this. It also explains the high Arctic observing site (lots of stars that never set and can be observed for months at a time).
Here's a movie taken with a lens of this size at a site in the high Arctic (hence the circumpolar rotation): http://user.physics.unc.edu/~nmlaw/arctic_cameras/arctic_cam...