OptInt PmWiki : MROI / P 4 S . We have received a ROM cost from IC Optical Systems, based on a verbal coating spec. ... lambda/10 flatness but we asked for lambda/20 . ... JC will send a preliminary coating spec to SESO, in order to elicit a comparable ROM estimate. ... 2333_ROM_PupilPlaneCom_JCoyne_Cavendish.pdf ... 114,933 bytes .. May 04, 2007, at 10:24 AM . ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROI/P4S) ...

. Here's another image of 1999by. I independently discovered this supernova, which was reported in IAUC 7157 . This is my first SN discovery. The image was taken through my 4" APO reflector. Thank you, best regards: Erno. My address: Erno Berko, 3188. Ludanyhalaszi, . Bercsenyi u 3. HUNGARY. e-mail: berko@is.hu . Back to Bright Supernovae . David Bishop Last modified: Tue May 4 16:17:09 EDT 1999

... Vendors . ... Online Registration . ... Warren Rupp Observatory . ... The Hidden Hollow weekend Star Party at Warren Rupp Observatory is back again this year . ... As in previous years, speakers, contests, workshops, door prizes and vendors (we all love new astronomy toys) will be set up in Sky Lodge, along with tables and chairs - just right for a conversation on some of the finer points of astronomy. ... This year, we are offering group rates for clubs sending 4 or more members to Hidden Hollow. ...

... The then president of the Society, Mr. Robert Burke, appointed a committee of eight or ten members, most of whom had made smaller mirrors, as an instrument committee, with Mr. Thorpe as chairman. ... Seriously, the best practicable solution seemed to be to build a machine to do the grinding and polishing. ... It was decided to grind the edges of the mirror to make it truly circular, as the rough cast glass was some 3/8 inch longer on one diameter than on the other. ...

... Web Home for Dr. Carol Christian . Welcome to the internet home for C. Christian. She is a scientist at the Space Telescope Science Institute in Baltimore, MD. ... She also has experience in Science and Technology Policy. Dr. Christian is a member of the American Astronomical Society and its Education Committee and is on several committees within the Board of the Astronomical Society of the Pacific , and serves on the NASA Langley Earth Science Data User Group. ... Sky in Google Earth". ...

ChangeLog for omgrismplot =============================== Version 1.2.1 - 2005-11-15, 2005-05-23 ( VNY ) +( src / omgrismplot_mod.f90 ) The X- and Y- coordinates are introduced into the plot header; strange symbols at the top of the plot are eliminated (this version is not uploaded yet - VNY 15.11.2005) Version 1.2 - 2005-10-18 ( VNY ) +( src / omgrismplot_mod.f90 ) A small bug ...

... This is a personal project collecting and documenting early images of Harvard College Observatory, focusing on the site at Observatory Hill (previously Summer House Hill). ... This page shows a list of all images related pictures in the same group. [link] 1887 . ... link] 1887/07 . Earliest source: "[Building in Cambridge under construction]." ... link] 1887/07/13ish . ... Earliest source: "[Telescope dome in Cambridge under construction]." ... Creator: Harvard College Observatory, Cambridge . ...

... Many extragalactic objects for which radial velocities are desired display strong emission lines. ... EMSAO, a companion to the cross-correlation task XCSAO (Kurtz et al. 1992), was written to find emission lines automatically, compute redshifts for each identified line, and combine them into a single radial velocity. ... Figure: This EMSAO Summary page shows line centers and fit information for a night sky spectrum. ... To test EMSAO adequately, a lot of emission line spectra were needed. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Irvin M. Winer . ... Winer . ... The Irvin Marvin Winer Memorial Mobile Observatory, Inc. was named upon its incorporation in 1983 after Irvin M. Winer. The Winer Scientific Director, Mark Trueblood, met Irv at Wesleyan University in 1971, when Mark had just begun his graduate studies in physics and Irv had just completed his Ph.D. and was staying on as an assistant professor. ... 2013 Winer Observatory. ...

... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...

... AS15-86-11601 (31 July 1971) --- Astronaut James B. Irwin, lunar module pilot, works at the Lunar Roving Vehicle (LRV) during the first Apollo 15 lunar surface extravehicular activity (EVA) at the Hadley-Apennine landing site. ... This photograph was taken by astronaut David R. Scott, commander. While astronauts Scott and Irwin descended in the LM to explore the moon, astronaut Alfred M. Worden, command module pilot, remained with the Command and Service Module (CSM) in lunar orbit. ...

... Submitted by William Lee on 11/13/2009 18:21:02 . ... Nikon D70, unmodified, with a Nikkor 18-70mm AF-S ED zoom lens at 55mm . Piggybacked on Skywatcher 100mm APO triplet . ... 2x6 min, 5x8 min (total 52 min) calibrated, stacked, and debayered in MaximDL-DSLR . Calibrated with darks, flats, and bias frames . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...