The target - TXS 0730+504 - is being observed by ACIS-S for 4 hours and 26 minutes. The observation started 1 hour ago and ends in 3 hours, and is part of the proposal The Nature of Jets in Hybrid MOJAVE Blazars. The target - also called ICRF J073352.5+502209 - is located in the constellation Lynx and is a Seyfert 1 Galaxy. The source is so bright in X-rays that only one-eigth of the chip is used for the observation. More information on the target can be found at SIMBAD. See related observations: PKS 0215+015 (22564, 23063); TXS 0730+504 (23134).
This is a joint observation with Hubble Space Telescope (HST) (for 2 hours and 13 minutes). However, it does not necessarily mean that the observations will be done at the same time! This is a time-critical observation.