The target - Orion Nebula Cluster - is being observed by ACIS-S and the High Energy Transmission Grating (HETG) for 6 hours and 56 minutes. The observation started 40 minutes ago and ends in 6 hours, and is part of the proposal THE TRUE NATURE OF X-RAYS FROM THE ORION TRAPEZIUM. The target is located in the constellation Orion and is an Open (galactic) Cluster. More information on the target can be found at SIMBAD. See related observations: 23008, 22893, 22994, 23087, 22904, 23097, 22337, 22343.