2019-03-04 01:38 - 04:32 UT (4352s total exposure time)
Processing by D. Bamberger
Type Ia supernova in NGC 3254
https://archive.stsci.edu/proposal_search.php?mission=hst&id=15640
See here for another version of the same data: https://ibb.co/zbGQGKX
