ATM Forum Message . Forums: . ... Post . ... Polished Mirror . ... Post Message | ... The info on how to test a polished mirror is often distorted because of the assumptions of the writer. If you're unsure of what is right on testing a surface for polish, take a window glass and do the same test on it. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... This section describes three functions which have been created to cleanup defects in images. The first two functions for cleaning rows and columns are particularly useful for CCD--images. ... These can often be removed with the commands: MODIFY/COLUMN INPUT OUTPUT [C or V] [columns] . ... This is particularly useful for removing the permanent defects which may exist in the CCD--frames and which cannot be removed by the MODIFY/COLUMN or MODIFY/ROW commands. ...

... Saturn's Cleanest Moon: Enceladus . ... 25.11.1995 . ... Credit: NASA , JPL , Voyager 2 Explanation: Enceladus orbits Saturn between the smaller Mimas and the larger Tethys . Enceladus is composed mostly of water ice and has the cleanest and purest ice surface in the Solar System . ... The surface also has many unusual groves and relatively few craters, like Jupiter 's moon Ganymede . ... November 1995 . ... 2007 . ... Publications with keywords: Saturn . Publications with words: Saturn . ...

Next: The Clark CLEAN Up: Image Deconvolution Previous: Introduction . The CLEAN algorithm (H?gbom 1974) (A&AS 15, 417) represents the image as a number of point sources in an otherwise empty field of view. ... The H?gbom CLEAN algorithm looks for the brightest (in an absolute sense) pixel (called a CLEAN component) in a specified region in the image (called the CLEAN window which must include all the real emission in the image). ... This subtracted image is called the residual image. ...

... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Programs . ... htcacheclean is used to keep the size of mod_cache_disk 's storage within a given size limit, or limit on inodes in use. ... If one or more URLs are specified, each URL will be deleted from the cache, if present. ... Specify limit as the total disk cache size limit. ... By passing the -a or -A options to htcacheclean , the URLs within the cache will be listed as they are found, one URL per line. ...

... 2010 August 1 . Venus' Once Molten Surface . ... JPL ), MIPL , Magellan Team , NASA . Explanation: If you could look across Venus with radar eyes, what might you see? This computer reconstruction of the surface of Venus was created from data from the Magellan spacecraft. Magellan orbited Venus and used radar to map our neighboring planet 's surface between 1990 and 1994. ... Venus ' surface is so hot and hostile that no surface probe has lasted more than a few minutes. ... About APOD | ...

... Contamination on optical surfaces degrades the throughput of an optical system. ... Contamination is particularly pernicious on the unprotected aluminum that is commonly used on the large first-surface mirrors of reflecting telescopes. ... During that period, the covers of their protective cases is opened whenever the 3.5-m telescope primary mirror cover is opened for nighttime observing. ... CO2 clean exposed mirrors in SS case. ... Light scattering measurements performed on cleaned mirrors. ...

... Previous: ESO C Library for an Image Processing Software Environment (eclipse) . ... A new CLEAN-type algorithm searches for model components not in the dirty image but in the multi-resolution wavelet transform of the dirty image based on the dirty beam. ... The improvement of this prototype Wavelet CLEAN, which does convolve with the dirty beam, can be attributed to a suppression of noise and aliasing in the dirty image by use of information in the sidelobes of the whole image domain. ...

clean_pass (version 11/1/10) . ... clean_pass.py . ... Modules . ... Data . CONTROLLED_DIRECTORIES = [{' clean_list ': [('stp .*', 16), ('*.orb_notif', 0), ('*.temp', 0)], ' glob_directory ': '/ data / scheduling / spss_flight_data / pass /ephem', ' is_directory ': 0, 'persistence_time': 2419200.0}, {' clean_list ': [('150_*.asc', 8), ('150_*.dat', 8), ('171_*.asc', 8), ('171_*.dat', 8), ('172_*.asc', 8), ('172_*.dat', 8), ('174_*.asc', 8) ... PASSOUT = '/data/scheduling/spss_flight_data/pass' . ...

... Sun images . ... Sun flares . ... Active areas . August : 2009 . ... No sunspots and sunspot groups can be currently observed on the Sun's surface . No H-alpha plages without spots can be currently observed on the Sun's surface . Last updated: August 10, 2009 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

... Dnepr launch record 17 August 2011. ... Baikonur Cosmodrome Yasny launch base Downloads . ... Yasny launch base is located in Orenburg Region, Russia. ... Admin & Hotel Complex including hotels, dining facilities and office premises; . Assembly, Integration and Test Building (AITB) incorporating clean room facilities and fueling station; . ... Yasny launch base AITB is divided into four main areas: Clean room 1 (CR1), Clean room 2 (CR2), Fueling Station and Offloading & Storage Area. ...

... Home Articles Optical Surface Cleaning Procedure . ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Optical Surface Cleaning Procedure . Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

NIFS was assembled and readied for its first cooldown on Friday August 24 2001. The cryostat contained the cold work surface plate and the radiation shields, but not the spectrograph or the On-Instrument Wavefront Sensor. ... The center of the cold work surface plate reached a minimum temperature of ~ 46.1 K. The getter reached ~ 9.2 K. Both are well below the required final operating temperature. ... Peter Conroy lowering the cold work surface plate into the cryostat. ... Pumping the cryostat. ...

. December 10,1998 - Laminar flow units were integrated to the clean tent at IKI test area. November 15,1998 - Integration of the Clean tent at IKI test area is finished. September 25,1998 - the clean tent laminar flow units (fLeicester University, UK) are put at IKI test room. August 28,1998 - the clean tent supporting structure is assembled . August 6, 1998 - integration of the bottom level of the clean tent supporting structure . Last updated Nov. 16, 1998 by V.Arefiev, gita@hea.iki.rssi.ru .

... Telescopes ћ Binoculars ћ Microscopes . Binoculars Instruction Manual . ... Regardless of your application bird watching, nature studies, spectator sports or sightseeing you will appreciate the superior optics and durable construction that make Meade binoculars an excellent investment. ... FOCUS LOCK SYSTEM . Meade Safari Pro binoculars include a Focus Lock feature (see diagram), permitting the locking of the Center Focus Knob to maintain precise focus of an object at a specified distance. ...

. Next: Type 13 Up: Images Previous: Images Contents . FITS image cube. The filename is given in model . If a non-zero positive diameter is specified, its value, position angle and axis ratio are used as CLEAN beam parameters which is deconvolved from the image, i.e. the visibilities are divided by ther transform of the Gaussian CLEAN beam. Parameters used: model , diameter , pa , ratio . Christian Hummel 2015-04-28

... Peter J.K. "Jeff" Wisoff (Ph.D) . NASA Astronaut (former) . ... A veteran of four space flights, STS-57 in 1993, STS-68 in 1994, STS-81 in 1997 and STS-92 in 2000, Dr. Wisoff has logged a total of 42 days, 56 hours, 1 minute and 48 seconds in space, including , 19 hours and 53 minutes of EVA time in three space walks. ... Following 183 orbits of the Earth in 269 hours and 46 minutes, the eleven-day mission ended with Space Shuttle Endeavour landing at Edwards Air Force Base, California. ...

Science and metrology windows specification release 1.doc Page 1 of 5 MRO Delay Line Specification of the Science and Metrology Windows for the MROI Delay Lines INT-406-TSP-0004 The Cambridge Delay Line Team rev 1.1 20 April 2010 Cavendish Laboratory JJ Thomson Avenue Cambridge CB3 0HE UK Change Record Revision Date Author(s ... Scope The specifications produced are for the science window and the two metrology windows of the delay line. ... 2.1 Science Window Requirements .. ...

... Archives . ... Quote of the Week, July 26, 2007 . ArXiv] Geneva-Copenhagen Survey, July 13, 2007 . Aug 2nd, 2007| 10:18 pm | ... Comment ( RSS ) | ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ... Chandra Blog . ... Entries (RSS) and Comments (RSS) . ...

... The combination is based on the two common columns across the tables, the CYCLE column and the QUADRANT column. ... For each row in the combined table that the same CYCLE/QUADRANT pair appears, epauxcomb writes out the noted values to the corresponding columns in the combined table. ... A table labelled PNAUX1 containing the following columns:  FRAME of type int-32  CYCLE of type int-32  FTCOARSE of type int-16  FTFINE of type unsigned int-16  QUADRANT of type int-8  CCDID of type int-8 2. ...