2019-03-04 23:47 - 00:09 UT (850s total exposure time)
Processing by D. Bamberger

Supernova impostor in Messier 51

https://archive.stsci.edu/proposal_search.php?mission=hst&id=15675

Archive image (January 2005): NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA); cut and rotated by D. Bamberger
https://www.spacetelescope.org/images/heic0506a/
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2019-03-04 23:47 - 00:09 UT (850s total exposure time)
Processing by D. Bamberger

Supernova impostor in Messier 51

https://archive.stsci.edu/proposal_search.php?mission=hst&id=15675

Archive image (January 2005): NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA); cut and rotated by D. Bamberger
https://www.spacetelescope.org/images/heic0506a/