ZTF First Light with Orion (image) University of Washington Share Print E-Mail Caption The ZTF "first light" image is shown here (inset) within the Orion constellation. The Orion nebula can be seen within the ZTF image. Credit Caltech Optical Observatories Usage Restrictions Must include credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.