The target - SN2020nlb - is being observed by ACIS-S for 17 hours and 30 minutes. The observation started 12 hours ago and ends in 5 hours, and is part of the proposal X-ray Progenitor Constraints of the Subluminous Type Ia SN2020nlb. The target is located in the constellation Coma Berenices. See related observation: 23315.

This is an observation from a TOO (target of opportunity) proposal.

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