Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer . ... Mark Trueblood was born in Cincinnati, Ohio in 1948. ... It was Andy, with the encouragement of Irv Winer, who got Mark interested in telescope building and astronomy again. ... Society for Astronomical Sciences (Robert Crawford lead author) . ... Trueblood, Mark, "The Space Telescope Payload Operations Control Center" in Genet and Genet, eds., Microcomputers in Astronomy - II, Fairborn Observatory (Fairborn: 1984), 11. ...

... Gondoin et al. paper submitted to SPIE 2000 (in PostScript) . ... In-flight calibration of the XMM-Newton Reflection Grating Spectrometers . ... Calibration of the first XMM Flight Mirror Module: I. - Image Quality . ... CCDs in X-ray Astronomy . ... X-ray performance of a qualification model of an XMM mirror module, pp.390-401 (Philippe Gondoin et al) . ... Reflection grating arrays for the Reflection Grating Spectrometer on board XMM, pp.450-462 (Steven M Kahn et al) . ... 1995) . ... Gondoin Ph.,...

... At the January meeting we finally achieved the necessary quorum in the vote on the bylaws changes proposed in September. ... Giant Ribbon at Edge of the Solar System: Mystery Solved? ... It is where solar wind particles heading out into interstellar space are reflected back into the solar system by a galactic magnetic field." ... Particles from the solar wind that escape the solar system are met ~100 astronomical units (~15 billion kilometers) away by an interstellar magnetic field. ...

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...