... OEM COMPONENTS . ... OEM OPTICAL COMPONENTS . ... Objective, Plan Achromatic, 4 X 0.12, BF . ... Objective, Flatfield Achromatic, 20 X 0.40, BF . ... Objective, Flatfield Achromatic, 60 X 1.00-0.70, Oil, Iris, BF . ... Objective, Flatfield Achromatic, 100 X 1.25, Oil, BF . ... Q-Plan™ Achromat Objective, 2.5 X 0.08, BF . ... Q-Plan™ Achromat Objective, 50 X 1.0-0.70, oil, iris, BF/DF . ... Q-Plan™ Achromat Objective, 100 X 1.25, oil, BF . ... Q-Plan™ Achromat Objective, 100 X 1.30, oil, iris, BF/DF ...

. Home . Structure of Data . Description . Catalog . Publications . VO . ЮБ 2000 . 05:47:28.6 . ЮД 2000 . +35:25:56 . l . 174.645 . b . 3.703 . diameter . 4.0' . (m - M) 0 . 11.54 0.3 . distance . 2000 300 pc . E(B - V) . 0.81 0.25 . log(t) . (J, J-H) isochrone VOTable . 2MASS data VOTable . IPHAS IDR data VOTable . Developed by the Team . Send us your questions or feedback

1927: 5.21 inches . 1911: 4.91 inches . 1986: 4.65 inches . ... 5 years: 1919 -- 1924: 15.60 inches . 10 years: 1911 -- 1921: 27.05 inches . 15 years: 1912 -- 1927: 36.72 inches . 20 years: 1911 -- 1931: 46.83 inches . 1993: 0.00 inches . 1975: 0.00 inches . 1965: 0.00 inches . ... 5 years: 1988 -- 1993: 3.23 inches . 10 years: 1989 -- 1999: 11.05 inches . ... 15 years: 1909 -- 1919: 23.25 inches . ... 20 years: 1901 -- 1921: 53.32 inches . To the Weather Page . ...

pcyg_00072_V_df.fits TARGET = 'P Cygni ' / target EXPTIME = 1. / exposure time ( seconds ) FILTER = ' (3) V (490-580) ' / filter DATE-OBS = ' 2012-11-21T23 :37:36.580' / date of observation (UT) pcyg_00073_V_df.fits TARGET = 'P Cygni ' / target EXPTIME = 0.25 / exposure time ( seconds ) FILTER = ' (3) V (490-580) ' / filter DATE-OBS = ' 2012-11-21T23 :38:59.629' / ...

... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...

Next: A Coronagraphic Search for Up: NICMOS Science Previous: NICMOS Science . ... A search for previously unknown low-mass (giant planet and brown dwarf) companions to stars in the solar neighborhood, and circumstellar dust disks around main sequence stars by direct coronagraphic imaging has been undertaken by the NICMOS Instrument Definition Team (IDT). ... The problem in the target acquisition process resulted in degraded pointing and target centration performance for these observations. ...

... Telescopes . ... LS Series . Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... ETX Series . ... Back Cell Adapter - ETX to SCT Thread . ... Allows accessories that require a SCT thread to be attached to the ETX series of telescopes, including focal reduces and off-axis guiders. ... Allows accessories that need SCT threading to be attached to ETX series . ...

... The Magazine . ... Get to Know the Night Sky . ... Cosmic particle accelerators get things going . Cluster has shown that narrow shocks may be vital to kick-starting the acceleration process in exploding stars, young stars, black holes, and whole galaxies. ... For example, the Large Hadron Collider at CERN employs a series of small accelerators to get its particles up to speed before injecting them into the main 17-mile-circumference (27 kilometers) ring for further acceleration. ...

... Comets and Asteroids . ... Earth Satellites . ... Illustration of how NASA could capture an asteroid . ... The meteor was quite small compared to some of the objects out there that could potentially hit the Earth, thus if we understood asteroids it could be potentially life-saving! ... This mission could start as soon as the early 2020s with NASA already simulating an asteroid mission to figure out how astronauts might undertake a spacewalk on it. ... Can NASA lasso an asteroid back to Earth? ...

Astronomical Society of the Pacific Conference Series-Instructions for Authors Using Microsoft Word Lisa B. Roper and Enid L. Livingston Astronomical Society of the Pacific Conference Series, N221 ESC, Brigham Young University, Provo, Utah 84602-4463, USA J. Ward Moody Department of Physics and Astronomy, Brigham Young University, N484 ESC, Provo, Utah 84602-4463, USA Abstract. ... Please use only the included styles to format your paper. ... Within parentheses use "(Author 1 & Author2 1999)". ...

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

... Home Articles A History of the First Forty Years of the Amateur Astronomers Association . ... Beyond New York City . ... A History of the First Forty Years of the Amateur Astronomers Association . ... At the 35th Anniversary Dinner of the Amateur Astronomers Association, I had been asked to give a talk on the history of our society. ... The Amateur Astronomers Association had a past even before it began. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... European Southern Observatory at Site 2010 Kislovodsk Collaboration University of Lethbridge, Canada ­ R. Querel, D. Naylor, G. Tompkins U. Valparaiso ­ A. ChacСn, O. Cuevas, M. Cure, L. Cortes, M. Caneo, L. Illanes ­ J. ThomasOsip, G. Prieto ­ A. OtАrola, M. SchЖck, T. Travouillon ­ R. Hanuschik, M. Sarazin, C. Guirao, G. Avila, G. Lo Curto, I. Saviane, A. Pizarro, G. Ihle, J. Navarette, A. Smette, D. Rabanus Site 2010 Kislovodsk, Oct 5th, 2010 2 GMT, Las Campanas TMT ESO F. Kerber et al. ...

VSOP: The VLBI Space Observatory Programme . Released data. VSOP Survey Publications . ... The VSOP Survey Data Reduction Handbook. ... Data reduction in Difmap in postscript (447 kb) or gzipped postscript (77 kb). ... Template Checklist and Worksheet for reduction and analysis of Survey data. ... Changes to Difmap for VSOP data analysis. ... Difmap macros needed for the processing of survey data. ... VSOP Survey Working Group Data Reduction Meeting , July 10, 12, 13 1999 . ...