This is a new popup window - close it when you are done . Submitted by Al Takeda on 12/02/2013 14:08:17 . Comet Lovejoy (C/2013 R1) – November 30, 2013 . Comet Lovejoy rises at 1 am and is the brightest comet in the early morning sky. ... It passed close to the Earth on November 20. Lovejoy is now moving away and is growing dimmer. 30 images x 120-second subframes, Total= 1 hour. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... November . ... By admin September 26, 2012 Posted in: Comets and Asteroids . Comet ISON is revealed.( ... Comet ISON.'s orbit and position on 25 September 2012.( ... The comet€а will reach its closest point to the Sun, perihelion in late November 2013.Then it is expected to whizz around the Sun a mere 1.1 million km above its surface making Comet ISON one of that class of comets called€а Sungrazers. ...

... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Australia Telescope 20GHz Survey . ... Bright prospects: Comparing the H Survey with large-scale radio continuum emission . ... Prospects for comparisons between the AAO/UKST H \ survey and large-scale radio continuum emission are considered, with particular reference to the recently completed Parkes 2.4-GHz survey of the southern Galactic Plane. ...

... Archive for November 2008 . Nov 19th, 2008| 01:34 am | Posted by hlee . ... Category: arXiv , Astro , Cross-Cultural , Frequentist , Methods , News , Quotes , Stat , Uncertainty | Comment . Nov 17th, 2008| 01:39 pm | ... Continue reading ?after ?Thanks to Henrietta Leavitt?? Category: Astro , Bad AstroStat , Data Processing , Methods , Stars , Stat | ... Tags: 2008 , cepheid , CfA , Henrietta Leavitt , Henrietta Swan Leavitt , history , November , period-luminosity , symposium . ...

... NB The next 2 columns will only be present if the parameter usecat has been set to true . ... Source parameters such as count-rates, magnitudes and semi-major axes, are given in sub-tables-eg the column CORR_RATE is actually a vector column containing the values for each filter. ... QUALITY FLAGS Each source has an associated ``quality flag''. ... 0 1 Source lies above one or more bad pixels . ... QFLAG The quality flag for each source in each filter obtained from the input source-lists. ...

The silicates that produce the 10 and 18 micron features appear to be broadly similar to terrestrial minerals such as Forsterite and Enstatite. ... Where pre-solar silicate dust grains can be isolated from meteorite material, these also tend to be Mg-rich silicates rather than Fe-rich silicates. ... It has been suggested that the interstellar silicate grains have a different 10 micron feature profile than what is observed for the silicates around evolved stars. ...

... 2001 November 3 . Bright Stars, Dim Galaxy . Credit: L. Drissen, J. Roy and C. Robert ( Universite Laval ), Y. Dutil ( CFHT ), NASA . Explanation: These two clusters of bright, newly formed stars surrounded by a glowing nebula lie 10 million light-years away in the dim, irregular galaxy cataloged as NGC 2366. ... A comparison with ground based images indicates that in three years this star's brightness increased by about 40 times making it currently the brightest star in this dim galaxy . ...

Last modified on November 18, 1998 by A. Richichi . An occultation of the carbon star IRC +10216 (aka CW Leo) was recorded from the ESO/La Silla observatory on November 11, 1998. This is the brightest and best studied carbon star, but also a very peculiar one with the central star being embedded in a thick dust envelope. ... The occultation series of IRC +10216 is continuing, and the next opportunity will be from Europe on February 28, 1999. ...

Star formation is often best manifested by bright H II regions.These are regions of hydrogen which have been ionized by ultraviolet photons which are emitted from massive stars (typically stars more than 20 times the mass of the Sun). ... A narrowband filter image centered on this wavelength will then readily reveal these H II regions and hence the current sites of star formation in a galaxy, The luminous blobs that can be seen here are all H II regions . ... NGC 3558 Visual . NGC 3558 Infrared . ...

Once students get the hang of it, they can find and measure the brightness of Delta Cephei in a few minutes. ... of Delta Cephei . ... Oct. ... The following table lists the measurements of Delta Cephei made by one amateur astronomer in autumn 1990. ... 4.0 . ... Thi