... Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: If this is Saturn, where are the rings? ... Later that century, it became understood that Saturn 's unusual protrusions were rings and that when the Earth crosses the ring plane , the edge-on rings will appear to disappear. ... In modern times, the robot Cassini spacecraft orbiting Saturn now also crosses Saturn's ring plane. ... Publications with keywords: saturn rings - cassini spacecraft . ... Saturn s Ancient Rings . ...

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• Астронет > Cassini Spacecraft Crosses Saturns Ring Plane
• Астронет > Cassini Spacecraft Crosses Saturn's Ring Plane
• Journal "Peremennye Zvezdy"

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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• Water on Mars: Evidence from NASA | Astronotes
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Educator's Guide to Robotic Spacecraft . ... Spacecraft are complex, technological objects that have to function far from Earth in the harsh environment of space. ... If the students are familiar with spacecraft they can be prompted with body parts and attempt to identify the analogous spacecraft part. This will work well if the students have a high quality picture of a modern spacecraft. ... Identify a mission and a destination for a spacecraft and have teams of students design the spacecraft. ...

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• Galileo Crosses Boundary Into Jupiter's Environment
• Saturn's Moon Titan
• Astronomy Picture of the Day

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Noctilucent clouds as photographed by Mark Bailey from Lisdoart on 14th July 2006 at 11.30 pm. ... These so-called noctilucent (night glowing) clouds (NLCs), are formed by sunlight reflecting off ice crystals high in the atmosphere, and usually appear in the northwest, through north to northeast during twilight in the late spring and summer months at our latitude. ...

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• Terry Mosely's Bulletins
• HISTORICAL BACKGROUND
• Historical Background

. Album : Фотоальбом Сергея Аюкова :: Travels to distant places and countries :: 1997/08 Japan (Kyoto, Nara) :: 17/08 Kyoto streets. Maruyama park . Up . << Prev . Dreaming about things on display. After checking, they appeared to be not that tasty compared to how they look. Next >> . Created with the tool album generator from David's MarginalHacks on Wed Jun 5 20:38:34 2013 .

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• COMPLEX DATA ANALYSIS

... Posts tagged ?CXC? ... Posted by vlk . ... Tags: arXiv , Chandra , CXC , Optical , Peter Edmonds , positional coincidence , positional error , Power , progenitor , question for statisticians , significance , Supernova , Type Ia , White Dwarf , White Dwarf binary , X-ray . Category: arXiv , Astro , Data Processing , News , Objects , Optical , Stat , Uncertainty | 5 Comments . Nov 7th, 2007| 06:52 pm | ... Comment . ... Entries RSS . Comments RSS . ... Entries (RSS) and Comments (RSS) . ...

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• The AstroStat Slog Blog Archive [ArXiv] 2nd week, Nov. 2007
• The galaxy M100
• Chandra Supernova Remnants Catalog - Instrumental Artifacts

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

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... 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. ...

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• OLYMPUS DIGITAL CAMERA ? Amateur Astronomers Association of New York
• Astro-Imaging ? Page 12 ? Amateur Astronomers Association of New York
• Lecture Series 2015-2016 ? Amateur Astronomers Association of New York

Copyright (Unpublished--all rights reserved under the copyright laws of the United States), U.S. Government as represented by the Administrator of the National Aeronautics and Space Administration. No copyright is claimed in the United States under Title 17, U.S. Code. Permission to freely use, copy, modify, and distribute this software and its documentation without fee is hereby granted, provided that this copyright notice and disclaimer of warranty appears in all copies. ...

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• http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/xpa-2.1.14/install-sh

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

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Next: ZGSC (Compressed GSC) and XSKYMAP . ... This is a preliminary report on an investigation of the quality and properties of plates digitized during creation of the Guide Star Catalog (GSC). The results will be vital for reclassifying GSC objects. ... Many objects are measured on more than one plate, and thus have multiple catalog entries. ... Among the shortcomings of the GSC are: biased magnitudes and incorrect classifications for certain objects, presence of artifact objects. ...

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• The ST5000: An Attitude Determination System with Low-Bandwidth Digital Imaging

... Main . ... The RadioAstron is an international space VLBI project led by the Astro Space Center of Lebedev Physical Institute in Moscow, Russia. ... List of organizations which were taken part in developing of the project and now support the RadioAstron mission is presented here . The RadioAstron Newsletter # 29 , July 18, 2015. RadioAstron Announcement of Opportunity - 4 for observations from July 2016 to June 2017 inclusive. ... 2.7, December 17, 2015 : English version. ... Main ASC . ...

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... 2.5-meter Telescope Procedures . ... Telescope/Mirror Control Manuals . ... 2.5-m Telescope . ... Engineering Camera . ... Mosaic Camera . ... Site/Enclosure . ... OP-010403 Observer's Folklore/Hints . ... OP-020801 M2 Galil (under construction) . OP-020802 M1 Galil (under construction) . ... 2.5m Telescope Maintenance Schedule . ... OP-021001 M1 thermal Sensors (under construction) . ... OP-010406 Operate the Outside Manipulator Arm . ... OP-010504 Site-wide and SDSS Air System . ...

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• Plug-plate drilling V
• APO Home Page
• TPM log files

... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

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• Photo 2

... These are the systems which contain compact components of different nature, white dwarf, neutron star or black hole. ... Pulsar appears during X-ray outbursts, but it does not manifest itself in the quiet state (Be stars, BQ Cam, V490 Cep); -falling of low -mass bodies on a compact object due to gravitational capture (a comet nucleus or a meteoroid ) in the detached system (V934 Her, V4641 Sgr). ... B1V-B2Ve star + neutron star & pulsar on the 20.85-day orbit Cep X-4 (ROSAT/PSPC) 1993 . ... 1000/ . ...

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• http://jet.sao.ru/jet/~goray/838/v838ecl.htm
• From Power Up To Bash Prompt: The Linux Kernel
• INASAN preprint: A method of the reconstruction of 3D velocity field of gas in

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

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... 4.4 Imbedding HTML in a Document . In the following discussion of SPECIAL processing
, I will assume that rtftohtml has not been customized. If it has, the text styles used to create special effects may be different. ... Normally, if your RTF document contained the text "<cite>hello</cite>", the translator would output this as: "&lt;cite&gt;hello&lt;/cite&gt;". ... If, however, you want the <cite></cite> to be interpreted as HTML markup, you must format the tags using Hidden and Shadow. ...

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• Welcome to Astronomical Circular
• Example of changing a password with the passwd command
• Running processes as background jobs

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• Lunar Drawings

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) MASSIVE PHOTOMETRY OF LOW-ALTITUDE ARTIFICIAL SATELLITES ON MINI-MEGATORTORA S. Karpov, 1, 3 E. Katkova,2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Davydov5 E. Ivanov,2 A. Perkov,2 V. Sasyuk3 RESUMEN Favor de prop orcionar un resumen en espanol. ... The nine-channel Mini-MegaTORTORA (MMT-9) optical widefield monitoring system with high temporal resolution system is in operation since June 2014. ...

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• q3c-2011 [SAI Virtual Observatory - Wiki]
• SAI Virtual Observatory Project
• SAI CAS: Cross-catalogue match interface