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Below is a list of the most recent file uploads. See the gallery of new files for a more visual overview.
- 06:34, 24 June 2009 Rnt20 talk contribs uploaded a new version of File:UM infrared comparison.png (<Empty file>)
- 06:23, 23 June 2009 Rnt20 talk contribs uploaded File:UM infrared comparison.png ({{Non-free use rationale |Article = Unified Model |Description = Image generated by rnt20 but using a small amount of reduced-resolution data from the Met Office's Unified Model |Source = Rnt20 |Portion = )
- 21:49, 4 July 2007 Rnt20 talk contribs uploaded File:NavComm1.jpg ({{Non-free web screenshot}} )
- 13:49, 14 May 2007 Rnt20 talk contribs uploaded File:Youngs slits.gif (Original diagram by Bob Tubbs, 1997. Edited by Bob Tubbs 2007. )
- 06:26, 22 July 2006 Rnt20 talk contribs uploaded File:Indy cover 22 july 2006.jpg (Small thumbnail of Independent Newspaper cover from 22 July 2006. Controversial headlines about George Bush. )
- 17:57, 9 May 2006 Rnt20 talk contribs uploaded File:Cyberman2005.jpg (Cyberman from the 2005 Doctor Who episode Dalek. )
- 15:54, 29 April 2006 Rnt20 talk contribs uploaded File:Anthony head mr finch.jpg (Anthony Stewart Head as Mr. Finch in the Doctor Who episode titled ''School Reunion''.)
- 15:11, 29 April 2006 Rnt20 talk contribs uploaded File:Schoolreunion2.jpg (== Summary == The Tenth Doctor and company meet an old friend in the 2006 ''Doctor Who'' episode ''School Reunion''. Screen capture from ''Tooth and Claw''. == Licensing == {{tv-scree)
- 08:34, 3 April 2006 Rnt20 talk contribs uploaded File:New earth doctor who.jpg (Screenshot showing the New Earth in the 2006 series of Doctor Who. This low resolution screenshot is fair use of copyrighted media )
- 12:16, 3 February 2006 Rnt20 talk contribs uploaded File:Bob on not webcam.jpg (Image from webcam at the Nordic Optical Telescope )
- 10:38, 29 November 2005 Rnt20 talk contribs uploaded File:Chaj-02-preview.jpg (Credit en:European Southern Observatory (ESO) From http://www.eso.org/outreach/gallery/chaj/ May be freely distributed as long as the above text is shown beside the picture (see http://www.eso.org/outreach/press-rel/phot-hires.html ). )
- 08:14, 24 September 2005 Rnt20 talk contribs uploaded File:Ami sep 2005.jpg (Webcam snapshot of AMI in September 2005 )
- 11:41, 9 September 2005 Rnt20 talk contribs uploaded File:Radio interf.gif (One of my diagrams from http://www.geocities.com/CapeCanaveral/2309/page3.html )
- 10:24, 9 June 2005 Rnt20 talk contribs uploaded File:Output vs input electrons.png (There is a dispersion (variation) in the number of electrons output by the multiplication register for a given (fixed) number of input electrons (shown in the legend on the right). The probability distribution for the number of output electrons is plotted)
- 15:02, 31 May 2005 Rnt20 talk contribs uploaded File:Paris europe train map.png (Sketch map showing approximate journey times on the train from Paris to the rest of western Europe. Drawn by Bob Tubbs, based on queries to the SNCF website. {{PD-self}} )
- 15:53, 29 April 2005 Rnt20 talk contribs uploaded File:Cam one-mile cen.jpg (A nice photo of the central receiver of the One-Mile Telescope at Mullard Radio Astronomy Observatory which I found in a desk draw. No idea how old the photo is! )
- 11:55, 18 April 2005 Rnt20 talk contribs uploaded File:Adaptive optics correct.png (Diagram demonstrating the use of a deformable mirror to correct for wavefront errors. By Bob Tubbs {{PD-self}} )
- 11:09, 18 April 2005 Rnt20 talk contribs uploaded File:Shack hartmann.png (A Shack Hartmann wavefront sensor (commonly used in Adaptive optics). Image by Bob Tubbs. {{PD-self}} )
- 15:13, 15 April 2005 Rnt20 talk contribs uploaded File:Atmos struct imaging.png (Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a turbulent layer in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Taken from my thesis (http://www.mrao.cam.ac.uk/telesco)
- 13:18, 17 March 2005 Rnt20 talk contribs uploaded File:Campo dei Miracoli overview.jpg (Photo of the Campo dei Miracoli in Pisa by Bob Tubbs. {{PD-self}})
- 15:44, 15 March 2005 Rnt20 talk contribs uploaded File:Output vs input electrons.png (There is a dispersion (variation) in the number of electrons output by the multiplication register for a given (fixed) number of input electrons. The probability distribution for the number of output electrons is plotted against the number of input electr)
- 14:59, 15 March 2005 Rnt20 talk contribs uploaded File:Emccd readout diag.png (Diagram of an EMCCD device. Electrons are transferred serially through the gain stages making up the multiplication register of an L3Vision CCD. The high voltages used in these serial transfers induce the creation of additional charge carriers through)
- 19:24, 13 March 2005 Rnt20 talk contribs uploaded File:Hendrik lorentz.jpg (Painting of Hendrik Lorentz by Arnhemensis. Photo by Bob Tubbs. {{PD-old}})
- 16:04, 8 March 2005 Rnt20 talk contribs uploaded File:Frederik kaiser.jpg (Photograph of Frederik Kaiser from the 19th Century (which must therefore be out of copyright))
- 09:56, 8 March 2005 Rnt20 talk contribs uploaded File:Arcetri torre de gallo.jpg (The Torre de Gallo in Arcetri, near Florence. Photo March 2005 by Bob Tubbs. {{PD-self}})
- 09:46, 8 March 2005 Rnt20 talk contribs uploaded File:Lucca rooftops italy.jpg (The narrow streets and tiled roofs of Lucca in Italy. Photo by Bob Tubbs in February 2005. {{PD-self}})
- 09:37, 8 March 2005 Rnt20 talk contribs uploaded File:Lucca cattedrale san martino italy.jpg (The Cattedrale San Martino in Lucca. Photo by Bob Tubbs. {{PD-self}})
- 09:09, 8 March 2005 Rnt20 talk contribs uploaded File:St peters vat distance.jpg (The approach to St Peter's Basilica. Photo by Bob Tubbs. {{PD-self}})
- 15:20, 4 March 2005 Rnt20 talk contribs uploaded File:Florence duomo.jpg (Photograph of the Duomo (cathedral) in Florence, Italy. Photo by Bob Tubbs. {{PD-self}})
- 12:36, 3 March 2005 Rnt20 talk contribs uploaded File:Huygens surface sum.gif (Contrast-stretched sum of JPEG sections selected from all images taken on surface of Titan -- sections selected according to data quality. Original data released for public use by ESA/NASA/JPL/University of Arizona. Processing by Bob Tubbs.)
- 15:05, 23 February 2005 Rnt20 talk contribs uploaded File:Huygens surface sum.gif (Contrast-stretched sum of all images taken on surface of Titan. Original data released for public use by ESA/NASA/JPL/University of Arizona)
- 10:25, 23 February 2005 Rnt20 talk contribs uploaded File:Ast opt int lba.gif (A two-element optical interferometer which is optically identical to this telescope with and aperture mask thumb {{PD-self}})
- 10:23, 23 February 2005 Rnt20 talk contribs uploaded File:Ast opt int mask.gif (A telescope with a mask covering it allowing light through two holes is optically identical to the two-telescope interferometer shown in thumb. {{PD-self}})
- 19:00, 21 February 2005 Rnt20 talk contribs uploaded File:Earth rotation aperture synthesis.jpg (Most modern aperture synthesis intererferometers use the rotation of the Earth to provide a wider range of telescope separations. Drawing from my project at [http://www.geocities.com/CapeCanaveral/2309/page3.html]. {{PD-self}})
- 18:10, 21 February 2005 Rnt20 talk contribs uploaded File:Vlbi data playback.gif (Data recorded at different VLBI telescopes are brought to a central location and played back with careful synchronization. The data are correlated (combined) to perform aperture synthesis. Drawing from my project at [http://www.geocities.com/CapeCanav)
- 17:58, 21 February 2005 Rnt20 talk contribs uploaded File:Vlbi data record.gif (In VLBI, the radio signals are recorded at each of the individual telescopes before being shipped to a central location. Drawing from my project at [http://www.geocities.com/CapeCanaveral/2309/page3.html]. {{PD-self}})
- 08:56, 21 February 2005 Rnt20 talk contribs uploaded File:Speckle aperture masking.png (a) shows a simple experiment using an aperture mask in a re-imaged aperture plane. b) and c) show diagrams of aperture masks which were placed in front of the secondary mirror of the Keck telescope by Peter Tuthill and collaborators. By Bob Tubbs, after P)
- 16:04, 18 February 2005 Rnt20 talk contribs uploaded File:Leiden old observatory2.jpg (The second observatory in Leiden (1860). Photo by Bob Tubbs, 2003. {{PD-self}})
- 15:57, 18 February 2005 Rnt20 talk contribs uploaded File:Leiden old observatory.jpg (The second observatory in Leiden (1860). Photo by Bob Tubbs, 2003. {{PD-self}})
- 15:47, 18 February 2005 Rnt20 talk contribs uploaded File:Leiden west gate.jpg (The western gate to the City of Leiden. Photo by Bob Tubbs. {{PD-self}})
- 15:05, 18 February 2005 Rnt20 talk contribs uploaded File:Mun theatinerkirche.jpg (Theatinerkirche in Munich. Photo by Bob Tubbs. {{PD-self}})
- 15:04, 18 February 2005 Rnt20 talk contribs uploaded File:Mun flags frauenkirche.jpg (The Munich flag, the Bavarian flag and the Frauenkirche. Photo by Bob Tubbs. {{PD-self}})
- 12:16, 18 February 2005 Rnt20 talk contribs uploaded File:Mrao 1 mile.jpg (The 'One-Mile Telescope' at the Mullard Radio Astronomy Observatory. Photo by Bob Tubbs in 2001. {{PD-self}})
- 11:58, 18 February 2005 Rnt20 talk contribs uploaded File:Mrao ami lba.jpg (The Ryle 5km telescope forms the long baseline array of AMI. Photo by Bob Tubbs. {{PD-self}})
- 11:22, 18 February 2005 Rnt20 talk contribs uploaded File:Aat telescope.jpg (The Anglo-Australian Telescope at Siding Spring Observatory. Photo by Helen Tubbs. {{PD-self}})
- 11:09, 18 February 2005 Rnt20 talk contribs uploaded File:Mk submm array.jpg (The Submillimeter Array on Mauna Kea. Photo by Bob Tubbs. {{PD-self}})
- 11:00, 18 February 2005 Rnt20 talk contribs uploaded File:Caltech sub obs.jpg (The Caltech submm observatory in August 2002. By Bob Tubbs. {{PD-self}})
- 10:53, 18 February 2005 Rnt20 talk contribs uploaded File:Subaru keck tels.jpg (The Subaru and Keck Telescopes. Photo by Bob Tubbs. {{PD-self}})
- 10:34, 18 February 2005 Rnt20 talk contribs uploaded File:Not inst 2003.jpg (The Luckycam instrument attached to the Cassegrain focus of the NOT in July 2003. Photo by Craig Mackay.)
- 10:22, 18 February 2005 Rnt20 talk contribs uploaded File:Ing tels sunset.jpg (The telescopes of the ING, the DOT and CMT on La Palma in July 2001. By Bob Tubbs. {{PD-self}})