... Apr 14, 2016 - Monthly Meeting . ... The Amateur Telescope Makers of Boston, Inc. ATMoB) is an astronomy club devoted to telescope making, observing, and studying the heavens. ... CURRENT MOON . ... April Sky . ... Lyrids Meteor Shower . ... Sources: NASA JPL Space Calendar , StarDate Online , Sky Telescope , Harvard-Smithsonian Center for Astrophysics , RASC Observer’s Handbook , Abrams Planetarium Sky Calendar and Astronomy Magazine . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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... Gallery . Siding Spring Observatory by day - Tim WetherтАж . Siding Spring Observatory's Anglo AustraтАж . Sidebar Left . ... Title: Siding Spring Observatory's Anglo Australia Telescope (inside from visitor's gallery) . ... File name: siding spring anglo australia telescope inside.jpg . ... Siding Spring Observatory's Anglo Australia Telescope (inside from visitor's gallery) NOTE: All images are copyright and must not be reproduced or mirrored in any form without written permission. ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Introduction.. ... Combining measurements of the thermal Sunyaev--Zel'dovich effect with X-ray data allows calculation of a direct, physical estimate of Hubble's Constant ( ) without the need for distance-ladder-type arguments. ... 1 Introduction . ... 3 Calculating Hubble's Constant . 4 Errors In Determination of . ... PPEUC Proceedings . Fri Jun 27 15:29:33 BST 1997 ...

... In laboratory the design and a manufacturing techniques mirror aspherical optics are developed ("fokon", ellipsoid, aspherical mirror).Such optical elements are made of widespread aluminium alloys on the standard equipment without use diamond turning. ... Using: optical blocks of not image optical devices for transitions, collimation, focus (concentration) radiations in a wide spectral range from UV to IR. Focusing and collimation of light; . ... circle aperture/ring aperture; . ... Back Forward . ...

1 - entrance slit; 2 - off-axis collimator; 3 - flat mirror; 4 - grating (24 deg, 600 gr/mm); 5 - echelle grating (63.5 deg, 37.5 gr/mm); 6 - echelle grating (63.5 deg, 75 gr/mm); 7 - prisms (A=45 deg); 8 - corrector; 9 - flat mirror; 10 - spherical mirror; 11 - CCD camera . CEGS permits us to obtain high S/N spectra (100) of stars up to 7th magnitude in the "high-dispersion" mode (R~40000). ... Coude Echelle/Grating Spectrometer (CEGS) designed by F.A.Musaev (Sov. ...

Blackholes Forum Message . Forums: . ... Discussion Forums | Blackholes I | Post . ... It Happens Without The Mirror . ... Post Message | ... Posted by Clerk on February 1, 2005 03:59:23 UTC . ... They need the mirror.... - duordi - February 2, 2005 - 19:04 UTC . ... 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" . ...

... Tonight's Sky . ... Stephen James O'Meara . ... James Webb Telescope mirrors chill out . ... Artist's rendition of the James Webb Space Telescope. ... The first of 18 mirror segments that will fly on NASA's James Webb Space Telescope arrived this week at the Marshall Space Flight Center, Huntsville, Alabama, to begin preparations to meet the extreme temperatures it will encounter in space. ... This drawing compares the sizes of the Hubble Space Telescope and James Webb Space Telescope primary...

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