October 2009 - Utah-Astronomy - mailman.xmission.com

LCROSS: LCROSS Team plume visualization and impact presentation
by Canopus56 03 Oct '09

03 Oct '09

>From the LCROSS Citizen Science Page posted 10-3-2009: A. Colaprete (Principal Co-investigator). 10-2-2009. Targeting Coordinates, Timing, Finder Charts and the LCROSS Centaur and SSC [Shepherding Satellite] Impacts http://apps.nasa.gov/media/lcross/files/2009/10/03/LCROSS_Target_Update_100… (Kurt's note: Check out simulated impact Earth views at slides 9 to 16). Plume Height Visualization Simulated Earth View Image posted 10-3-2009 http://apps.nasa.gov/lcross/observations/details/43/ Clear Skies - Kurt

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Re: [Utah-astronomy] Star party blog
by Siegfried Jachmann 03 Oct '09

03 Oct '09

Mice job on that Joe. You should have been a writer. Sig On 2009-10-01 03:33, Joe Bauman wrote: > Siegfried sent out a great press release about SLAS' last star party of the year. Not certain whether it would be picked up by the papers, I did a blog based on it. > > http://scooter.desnews.com:81/cma/dn/blogs/entries/save/1,5326,10006629, 00.html > > -- thanks, Joe > > > > > >

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LCROSS Refined impact coordinates
by Canopus56 02 Oct '09

02 Oct '09

In the LCROSS Observation newsgroup, Brian Day, the LCROSS Public Outreach officer, has posted the following refined impact coordinates. For amateur impact observing, these coordinates will not change significantly between now an the Oct. 9 impact that a change will effect telescope pointing: Centaur: S84.675, W47.725 (311.275E) 9 Oct 2009 11:31:30 UTC SSC: S84.729, W49.36 (310.64E) 9 Oct 2009 11:35:45 UTC Using Jim Mosher's LTVT software ( http://ltvt.wikispaces.com/LTVT ), I have plotted a best impact fit on an aerial view chart. Only the Centaur impact is shown. The shepherding satellite impact is so close that the position difference is not material for Earth observing. http://tinyurl.com/y8zy4ck Clear Skies - Kurt P.S. - Brian's communication reads in full: ------ MoonThumper Oct 2, 1:20 pm From: MoonThumper <brianh...(a)gmail.com> Date: Fri, 2 Oct 2009 12:20:00 -0700 (PDT) Subject: Correction to Coordinates and Times Final LCROSS Centaur and SSC target coordinates (Lat., Lon. in ME) Centaur: -84.675, 311.275 E SSC: -84.729, 310.64 E Elevations (Assumed Lunar radius: 1737.4 km): Centaur target elev: -3.82693 km SSC target elev: -3.80909 km Impact Times: Centaur: 9 Oct 2009 11:31:30 UTC SSC: 9 Oct 2009 11:35:45 UTC Note: These are nominal impact positions and times. Actual impact times based on TCM results may differ (see next slide for uncertainties) Original message: http://groups.google.com/group/lcross_observation/browse_thread/thread/2e90… ------

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Re: [Utah-astronomy] Star party blog
by Siegfried Jachmann 02 Oct '09

02 Oct '09

Patrick did an excellent modifications to my intended news release. The final product was better than my original. Thanks Patrick. Then Patrick sent it out to his billions of media contacts. Siegfried On 2009-10-01 03:33, Joe Bauman wrote: > Siegfried sent out a great press release about SLAS' last star party of the year. Not certain whether it would be picked up by the papers, I did a blog based on it. > > http://scooter.desnews.com:81/cma/dn/blogs/entries/save/1,5326,10006629, 00.html > > -- thanks, Joe > > > > > >

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Re: [Utah-astronomy] CloudyNights?
by Canopus56 01 Oct '09

01 Oct '09

Dan, CN broadcast a sysop note in the afternoon yesterday that they would be down for a server upgrade commencing noon CDT Oct 1 for a period of 24 hours. Clear Skies - Kurt

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CloudyNights?
by daniel turner 01 Oct '09

01 Oct '09

I can't seem to reach the cloudynights website. I keep getting a HTTP 403 Forbidden error. Anyone know what's going on? DT

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Re: [Utah-astronomy] Pluto: Can you find it
by JayLEads 30 Sep '09

30 Sep '09

Patrick, In the middle of the shots is a bright star with an inverted triangle asterism above it and slightly to the left. Next to the bright star to the left is a double star (looks like a double). In the first shot is a star that in that triangle forms a three star chain on the base of the triangle. In the next shot that same star moves to the left leaving the inverted triangle alone and now up and to the left of that double star. I will assume because that "star" moves it is the dwarf planet Pluto. On 2009-09-29 04:19, Patrick Wiggins wrote: > I got a 15 second shot of Pluto last evening and again this evening to > show Pluto's apparent motion. > > http://www.slas.us/gallery2/main.php?g2_itemId=68

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Re: [Utah-astronomy] Perhaps Black Holes Do Not Exist
by dustynebula＠juno.com 30 Sep '09

30 Sep '09

The powerful infrared sensitivity of the Webb Telescope may provide evidence of surface diameters and conditions of "Black Stars" or "Event Horizons," and differentiate the evidence decisively. ---------- Original Message ---------- From: "Don J. Colton" <djcolton(a)piol.com> To: "'Utah Astronomy'" <utah-astronomy(a)mailman.xmission.com> Subject: [Utah-astronomy] Perhaps Black Holes Do Not Exist Date: Thu, 24 Sep 2009 11:25:32 -0600 The October Scientific American argues that black stars more dense than neutron stars may form instead of black holes. Black holes are predicted by classical general relativity but do not take properly take into account quantum mechanics. A quantum effect called vacuum polarization may grow large enough to stop a hole forming and create a "black star" instead. Such a star would not have an event horizon but any energy emitted would be shifted far to the red and not show as visible light. A major problem with black holes is the loss of information that would occur violating a fundamental feature of quantum mechanics called unitarity. I have always been skeptical of singularities since in every other area of physics singularities mean a failure of the math or theory or both. When the theory predicts such things as infinite energy (the ultraviolet catastrophe) or singularities it usually means the theory needs to be modified. _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy(a)mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com ____________________________________________________________ Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTFoYcCfBKQy4ydOwf0CuJk4NE…

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