English: Dr. Lubos Kohoutek, discoverer of the Comet Kohoutek, is seen in the Mission Operations Control Room in the Mission Control Center during a visit to JSC. He is talking over a radio-telephone with the Skylab 4 crewmen in the Skylab space station in Earth orbit. Professor Kohoutek, a well-known Czechoslovakian astronomer who works at the Hamburg Observatory in West Germany, discussed the comet with Astronauts Gerald P. Carr, Edward G. Gibson, and William R. Pogue. Dr. Zdenek Sekania, who accompanied Dr. Kohoutek on the visit to JSC, is on the telephone in the left background. Dr. Sekania is with the Smithsonian Observatory in Cambridge, Massachusetts.