... Forum . ... Posts: 19 . Profile Views: 461 . ... Category: Info . Posted 4 months 1 day ago . by nvpech . ... Posted 5 months 3 weeks ago . ... Posted 7 months 5 days ago . ... Posted 7 months 1 week ago . ... Powered by Kunena Forum . ... MAO NASU . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Have you ever looked at pictures of Saturn's rings and noticed what look like gaps in the rings? ... Gian Domenico Cassini discovered a large gap in Saturn's rings in 1675. Later, an astronomer named Encke discovered a smaller gap near the edge of the rings. ... It was found long ago that an orbit in the Cassini Division, as the large gap is named, has a period almost exactly one-half that of one of Saturn's moons named Mimas. ... 2008 Phil Plait. ...

Program: PLATE Purpose: snips raw data from tape(s) to custom plate Category: IRAS Author: Do Kester File: plate.src Keywords: INSTRUME= give instrument identification [] a combination of observation mode SURVEY SPLINE AO PO FLASH UNKNOWN and band number 12 25 60 100 LRS BPHF 1 2 3 4 ( 2 letters suffice ) PO is an alias for AO; AOs, POs and UNKNOWNs are collectively known as pointed observations. ... Only scan(snip)s which pertain to the same area and instrument can be stored in the same IRDS. ...

... Archives . ... Astrometry.net , a cool website I heard from Harvard Astronomy Professor Doug Finkbeiner?s class (Principles of Astronomical Measurements), does a complex job of matching your images of unknown locations or coordinates to sources in catalogs. ... Astrometry is a branch of astronomy but the algorithms of locating stars and galaxies mainly come from computer scientists whose fundamental ideas are from statistics and mathematics. ... Comment ( RSS ) | ... Comments RSS . ... Chandra Blog ...

... 50 Weirdest Objects . ... Astronomy for Kids . ... Messier's 102nd entry is known as the lost Messier object. Has there been any agreement on what this M object might be? ... Before Charles Messier handed in the final supplement of his catalog, which was published in 1781, his contemporary, Pierre M chain, supplied a number of new objects for his consideration. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

... GPI Data Pipeline 1.0 documentation . GPI Data Pipeline Installation & Configuration . ... Configuring the Pipeline . ... This page summarizes current known issues and imperfections to be on the lookout for. ... As of version 1.0: . ... The data pipeline does not yet robustly automatically determine these shifts, and some manual adjustment of spectral positions is often necessary. ... Instrument systematics and calibration in polarization mode are less well characterized than in spectral mode. ...

Astronomy Picture of the Day . Apollo 12 Visits Surveyor 3 . ... Fliers Around the Blue Snowball Nebula . ... Planetary nebulae are strange. ... Next, although hundreds of planetary nebulae have been catalogued and thousands surely exist in our Galaxy, aspects of the formation process are still debated. The Blue Snowball Planetary Nebula . ... The Blue Snowball is a planetary nebula - and in 5 billion years the Sun will throw off its outer layers and go through a planetary nebula phase. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Earth Satellites . ... By admin October 4, 2012 Posted in: Moon . A tiny second moon.This is Phobos (27 km across) seen over Mars by ESA's Mars Express (Image credit:ESA) . ... They concluded that at any given time Earth probably has a second moon. ... But, just perhaps, briefly the Earth had a second natural satellite seen by thousands of people.Remember the spectacular fireball witnessed over the UK and Ireland on 21 September 2012 ? ...

Proposal Identification No.: ... Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 6 Hours 1 hour The HI mass of a gamma ray burst host galaxy at z=0.0334 We propose to use the Arecibo L-wide receiver to carry out a deep search for HI-21cm emission from the second closest known GRB host galaxy at z=0.0334, in order to measure its HI mass. ...

Unknown numbers are usually represented by letters of the alphabet . ... However, different letters are also used, often hinting at the quantity they represent-- v for an unknown velocity, T for an unknown time, m or M for unknown masses and F for an unknown force. ... An example of case (#1) is the ratio between the length of a circle and its diameter, a universal constant appearing in many equations (for example, Kepler's equation in section (12a)), whose value to 11 decimals is 3.14159265359.. ...

... Apache HTTP Server Version 2.2 . ... Location /server-info> . ... You may wish to use mod_access inside the <Location> directive to limite access to your server configuration information: . ... In particular, this module can leak sensitive information from the configuration directives of other Apache modules such as system paths, usernames/passwords, database names, etc. ... For example, http://your.host.example.com/server-info?config will show all configuration directives. ?<module-name> . ...

... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Modules . ... Location /server-info> SetHandler server-info </Location> . You may wish to use mod_authz_host inside the <Location> directive to limit access to your server configuration information: <Location /server-info> SetHandler server-info Require host example.com </Location> . ... For example, http://your.host.example.com/server-info?config will show all configuration directives. ?<module-name> . ...

... CBET now has an M31 novae page , M33 novae page , and an M81 novae page . ... Also, see W. Pietsch's M31 (apparent) optical nova catalogue , M33 novae catalog , and M81 novae catalog Please note that I do not keep track of galactic novae . Nova M81 2016-04a? (= PNV J09560598+6900401 ), ATEL 8904 discovered 2016/04/02.876 by Kamil Hornoch and H. Kucakova . ... Nova M31 2016-03a? (= PNV J00421695+4059098 ), CBAT TOCP discovered 2016/03/01.721 by unknown . ... other extragalactic Novae from 2016 . ...

OptInt PmWiki : Pm Wiki / Categories . ... Page lists > . ... These pages are created in the Category group, and thus these subject areas are called "categories". ... A Category.GroupFooter file is included in the PmWiki release that contains the line (:pagelist link={*$FullName} list=normal:) so that whenever a category page is displayed, it will show a list of links to pages that reference that page in the category group. ... number of categories per page (not too many, not too few -- e.g. 3) . ...

... This study reveals for the first time the existence of bi-directional jets, which are a signature of magnetic reconnection, occurring along coronal hole (CH) boundaries. ... K) emission lines in an equatorial extension of a polar coronal hole, known as the ``Elephant's Trunk'' coronal hole, show small regions of a few arc-seconds size with strong blue- and red-shifted emission reaching Doppler shifts of up to 150km s, i.e. bi-directional jets. ...

... O RAL H ISTORY: 13 November 2000 EDUCATIONAL BACKGROUND: B.S. in Civil Engineering , Clemson University, Clemson, SC, 1948 PRE-NASA EXPERIENCE: United States Army Air Force (1942-1945) · Fighter Pilot (P-51 Mustang aircraft, unit and location unknown) United States Air Force Reserve · Retired as Major (Date Unknown) National Advisory Committee for Aeronautics (NACA), Langley Aeronautical Laboratory, Hampton ... Johnson Space Center Oral History Project James C. McLane, Jr. ...

dfos = Data Flow Operations System, the common tool set for DFO . ... Symptoms look like network/connection issue, but they aren't. Background: When this happened in August/September 2013, qcweb had undergone a change in nfs architecture, causing very inefficient disk I/O. With the many tarballs delivered to qcweb and being unpacked there (in the course of moveProducts : logs, plots), there was in addition processing load on the machine. This caused loads as high as 10 or 20. ...

... The common identifier of this star system is G89-14. Initially, there were known just two close spectroscopic components in this system, A and B, orbiting around each other with a period of about 190 days (Carney et al., ... Subsequently, at a separation of 34 arc seconds from this spectroscopic pair, Allen et al. (2000) found its companion D with common proper motion (Fig.1, right, and Fig.2). ... The uniqueness of this star is that it is the most metal-poor quadruple system known to date. ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

... Each day we feature a different image or photograph of our fascinating universe, along with a brief explanation written by a professional astronomer. August 27, 1995 . Gamma Ray Bursts from the Unknown . Credit: NASA , Compton Gamma Ray Observatory , BATSE . Explanation: Gamma Ray Bursts (GRBs) pose one of the greatest mysteries of modern astronomy. About once a day, the gamma-ray sky lights up with a spectacular explosion. ...