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... Tonight's Sky . ... News . Observing . ... Sky this Month . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Rochester Institute of Technology, New York . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

This is a copy of a Press Release from E.S.O. The most recent ESO observations of bright Comet Hyakutake have shown rapid changes in the innermost coma, within a few hundred kilometres from the cometary nucleus. This result has only become possible because of the unusual combination of a bright comet being near the Earth, together with the excellent imaging quality of the ESO 3.5-metre New Technology Telescope (NTT). ... Go to the ESO Homepage for Comet Hyakutake . ESO/La Silla | ...

. To change your login shell to the Korn shell (ksh): chsh Changing login shell for sarah. Old shell name: /bin/csh New shell: ksh . This changes the user's login shell from the C shell (csh) to the Korn shell (ksh). If you mistype the name of the shell or specify a shell that is not available on your system: . you will be given a list of all the shells that are available on your system. or . a message similar to the following will be displayed. name is unacceptable as a new shell .

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... PULSE@Parkes . ... Luminosity dependent changes of pulse profiles in the X-ray binary GX 1+4 . ... We have reviewed the X-ray pulse profiles from a large number of observations of the accreting binary pulsar GX 1+4 obtained during the last 25 years. ... The pulse shape is dependent on both the X-ray luminosity and whether the pulsar is spinning up or down. ... General features of GX 1+4 pulse profiles . ...

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

CCD Forum Message . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums | CCD Tips and Techniques | ... A Slight Change . Forum List | ... I have one suggestion for change in your image gallery. ... 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" . ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

OptInt PmWiki . ... Side Bar . ... Page History | ... MROI Delay Line Design Contract . ... PmWiki . ... PmWiki FAQ . ... pmwiki.org . ... Return to Side Bar ( Edit ) . ... November 15, 2013, at 04:58 PM by 131.111.48.85 - . ... Restore . ... December 01, 2010, at 03:32 PM by jsy1001 - . Added lines 28-30: . ... Added line 37: . ... April 29, 2010, at 05:00 PM by 131.111.48.85 - . ... February 09, 2010, at 10:15 AM by 131.111.48.85 - . ... January 05, 2010, at 03:53 PM by 131.111.48.85 - . ...