http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Compact Object;f6-type=Observation;f5-instrument=X-Ray Telescope (XRT)) http://ecuip-xtf.lib.uchicago.edu/xtf/search?docsPerPage%3D100;f4-subject%3DCompact%20Object;f6-type%3DObservation;f5-instrument%3DX-Ray%20Telescope%20(XRT) Results for your query: docsPerPage=100;f4-subject=Compact Object;f6-type=Observation;f5-instrument=X-Ray Telescope (XRT) Thu, 01 Jan 1970 12:00:00 GMT Scorpius X-1. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Swift-ScoX-1/Swift-ScoX-1.dc.xml This image from the Swift X-ray Telescope shows an X-ray nova (designated J1745-26) and Scorpius X-1, along with the scale of moon, as they would appear in the field of view from Earth. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Swift-ScoX-1/Swift-ScoX-1.dc.xml Thu, 01 Jan 1970 12:00:00 GMT