... Copyrightї1997 Bob Yen (byen@ix.netcom.com) (http://www.comet-track.com/hb/hb.html) . ... Information on Comet Hale-Bopp for the Non-Astronomer Hale-Bopp rotates about twice a day (3/14/97) . ... The Comet Observation Home Page was been selected to receive the Griffith Observatory Star Award for the week of February 2 - 8, 1997 for excellence in promoting astronomy to the public through the World Wide Web. ... Typically, about 1,000 individual users/computers access this page every day. ...

... A Digital Opportunity Rover on Mars . ... If you could see one of the robot rovers currently rolling across Mars, what would it look like? ... To help find out, the robot Cassini spacecraft currently orbiting Saturn was directed to fly right past the second largest moon of the gas giant planet late last month. ... The Tarantula Nebula is more than 1,000 light-years across - a giant emission nebula within our neighboring galaxy the Large Magellanic Cloud. ... R136: The Massive Stars of 30 Doradus . ...

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Illuminating Dark Matter? by Neal Weiner . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The remainder is dark matter and dark energy. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Paper by Bessell on Hipparcos and Tycho Passbands . ... Paper by Sung and Bessell on 40inch CCD UBVRI extinction and standard transformations. ... Paper by Bessell on Standard Systems for Encylopedia of Astronomy and Astrophysics . ... Corrected fluxes for Hamuy et al. standard stars. ... Contact: Prof. Michael S. Bessell Research School of Astronomy and Astrophysics Mount Stromlo Observatory Cotter Rd, ACT 2611 Australia telephone: +61 2 6125 0268, fax: +61 2 6125 0233 email: bessell@mso.anu.edu.au...

Next: Future plans Up: Electronic database Previous: Electronic database . The JPDOC gives access to references to the papers, data files and links to the internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to the radio domain. ... The database also provides links to internet collections of optical data files and personal WWW pages with relevant software and includes some other useful information. ...

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... I Hate Most Of Current Psychology As Now Practiced . Forum List | ... Post Message | ... In my experience, current psychology is all . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Activities | ... Collaborations | ... The main objective of laboratory #235 is development of imaging array detectors for different applications (including radio-astronomy, safety and security systems). We develop ultra-sensitive detectors (bolometers) and detector arrays, planar antennas and tuning circuits, refractive and reflective quasi-optical systems focusing millimeter and sub-millimeter wave irradiation on the detectors. ...

. Name . Last modified . Size . Description . Parent Directory . - . astronomy_calendar/ . 2004-03-06 16:10 . - . etudes_about_scientists/ . 2001-12-24 15:21 . - . fire_enthusiasts/ . 2001-12-20 21:24 . - . galaxies/ . 2002-11-22 13:50 . - . making_telescope_at_home/ . 2001-12-20 21:07 . - . return_from_space/ . 2001-08-29 13:13 . - . telescopes_for_amateur_astronomers/ . 2001-01-09 11:45 . - .

... You must have the frames with a dark current and flat field for preliminary processing of the images. ... The flat field is necessary for the account of the variations in the sensitivity of pixels. ... 1) Open the frame with a flat field by . ... In the dialogue choose a frame with a dark current. There will be a subtraction of the dark frame from the flat field. ... 3) Apply the flat field by . Note  If several files are open, a dark current and flat field will apply for all. ...