... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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• VISTA - Visible and Infrared Survey Telescope for Astronomy

RTT150 . ... This search system is designed for generating the necessary information on series of pointings (observations of each source consist of sets of exposures with different filters and sometimes with different exposure times) for observed sources. Search results appear at the separate page as a table with the following data: . DATE - real (not evening!) observations date (in YYYY-MM-DD format); . ... Bin - minimal CCD binning mode (may vary during the observations); . ...

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• GRANAT Home Page

... Type | ... Dict_init has one option: text value from dict_initoption and should return internal representation (structure) of dictionary. ... Arguments: pointer to HLPRSTEXT, pointer to query, pointer to option (as text pgsql's type) prs_lextype returns array of LexDescr (see wparser.h), describing types of lexem that can be returned by parser. =# \d pg_ts_cfgmap Table "public.pg_ts_cfgmap" Column | ... 0 Comments on Tsearch V2 in Brief This page is read-only View other revisions Administration . ...

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• APOD: 2007 November 26 - Moon Over Pigeon Point Lighthouse
• APOD: 2007 June 3 - Shuttle Plume Shadow Points to Moon
• APOD: 2011 November 27 - Shuttle Plume Shadow Points to the Moon

Here user should specify the origin of coordinate system (observer's position). In case of rectangular coordinates it can be center of any major planet or the Sun or any minor planet. ... For spherical coordinates the origin of coordinate system can coincide only with the center of the Earth or with any point on the Earth surface. ... a)by code of observatory in the list of observatories maintained by Minor Planet Center (see IX. Observatories ). b)by introducing name of observatory. ...

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• NAA 2011-2012 (preface)
• NAA 2013-2014 (preface)

. home . product . gallery . contact .

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... An anelemma is that figure-8 curve that you get when you mark the position of the Sun at the same time each day throughout planet Earth's year. ... Today or tomorrow, depending on your time zone, the Sun reaches its northernmost point in planet Earth's sky marking a season change and the first solstice of the year 2004. ... Ida and Dactyl: Asteroid and Moon . ... This asteroid has a moon! ... Elliptical Galaxy M87 . ... Even for an elliptical galaxy, though, M87 is peculiar. ... Next [ Last page ] ....

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Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

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• C/2006 P1 (McNaught)
• Philip Lah's Talks
• Marc White - Astrophysicist - The Australian National University

... 479 ­ 483 Data Recognition and Virtual JD Zv erina P., Mikulґ Z. asek Department of Theoretical Physics and Astrophysics, Faculty of Science, Brno, The Czech Republic Abstract. ... Unfortunately, some important, mainly historical photometric or spectroscopic data exist only in the form of published phase diagrams. In this article we would like to present a new method of the analysis of these phase diagrams. ... The period of their variations is controlled by the rotation of the star. ...

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• Hardware sector, archive 2013
• Observations Support Laboratory BTA
• The dust jets in the nucleus of comet 29P/Schwassmann-Wachmann 1

. Mars is "behind" the sun from the earth's point of view and is therefore not visible in the nighttime sky (i.e. its up in the daytime). Venus it at greatest elongation and appears in the western sky as a bright object for 2-3 hours after sunset .

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• Potential Energy
• Intelligent Life in the Universe
• Historical Cosmologies

The Texas survey of radio sources covering -35.5{deg} < {delta} < 71.5{deg} at 365MHz . ... We present the Texas Survey of discrete radio sources between -35.5deg and 71.5deg declination (B1950), which was carried out at 365MHz with the Texas Interferometer during 1974-1983. ... The Texas Survey . ... The sources in the simpler model. ... Right Ascension 1950 . ... field separator . ... Some sources came from Version 6 of the Texas Survey ('TS6' in strp field) or Version 7 ('TS7' in strp field) . ...

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• Description of the RadioAstron project, english version
• GOCG Pre-Observation Products

... 24 } Line { SrcBlock sin SrcPort 1 DstBlock func1 DstPort 1 } Line { SrcBlock Fcn SrcPort 1 Points [0, -55] DstBlock func DstPort 1 } Line { SrcBlock (G*M) ^1/2 SrcPort 1 Points [25, 0] DstBlock func DstPort 3 } Line { SrcBlock func SrcPort 1 Points [40, 0] Branch { ...

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Pulkovo Database of Observations of Visual Double Stars . ... Catalog of relative positions of visual double stars, based on photographic observations performed since 1960 in Pulkovo on the 26-inch refractor (A.A.Kiselev, O.A.Kalinichenko, O.V.Kiyaeva, N.A.Shakht, L.G.Romanenko, I.S.Izmailov, O.P.Bykov, K.L.Maslennikov, E.A.Grosheva, D.L.Gorshanov), 2010 . ... Enter either ADS or WDS number. Click here to display full list of visual double stars observed at Pulkovo. ADS . ...

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• Pulkovo Databases

Computer Ephemeris for 2016 from DE200/LE200. Longitude of central meridian of Uranus. ...

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• Central meridian positions for physical observations of Saturn for Computer
• Central meridian positions for physical observations of Neptune for Computer
• Explanations to ephemeris for physical observation of the planets for Computer

... Next, the screen displays "Press 0 to align or Mode for Menu." Press "0" if you wish to begin Automatic alignment (or Easy Align, depending on your telescope model), or press Mode if you wish to choose a manual alignment method ("Automatic Alignment" displays, and you can press MODE to go through the menu to find other alignments). ... Note: If you press the "?" key while "Ctr Brightest Star" displays, the alignment star that AutoStar has chosen will display. ... Alignment successful" displays. ...

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• Meade Instruments Corporation - ETX-90EC and Autostar Frequently Asked...
• Meade Instruments Corporation - Frequently Asked Questions
• Coronado€о Solar - Products

Next: ST-ECF Grism Spectrum Software Up: NICMOS Data Calibration and Previous: Photometric Performance of NICMOS . ... Wavelength Calibration of NICMOS Grisms . ... This article describes the wavelength and throughput calibration of the grisms and discusses the photometric performance of the NICMOS grism mode. ... The resolution of the first order spectra on all grisms is about 200 per pixel. ... Spectra were extracted for bright objects with both first and second order spectra on single grism images. ...

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• POLIMPLOT (V1.00) --- April99 --- POLIMPLOT (V1.00)
• HST/NICMOS Observations of the Interacting System Arp 299
• The Formation and Evolution of LMC Rich Star Clusters: NGC 1818

Distribution of the analyzed SEPs with different >100 MeV proton fluxes ( J 100 ) at the microwave flux density plane ' S 9 vs. ... 1) General correspondence takes place between intensities of microwave bursts and proton fluxes - J 100 increases when S 9 and S 15 rise. ... 3) Powerful microwave bursts ( S 9 , S 15 >3000-10000 sfu ) with hard radio spectra ( S 9 < S 15 ) correspond to majority of powerful proton fluxes ( J 100 >10 pfu ). ...

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• Empirical Model of the Nighttime Winter Ionospheric Trough
• IZMIRAN: Laboratory for Physics and modeling of the ionosphere - publications -
• [INTERBALL] pr-7

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . Monthly Sky Notes . ... NASA's Cassini spacecraft obtained this image of Saturn's moon Helene on June 18, 2011. Image credit: NASA/JPL-Caltech/Space Science Institute) . ... Your email address will not be published. ... Email * . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• Wonders of the August Night Sky | Astronotes

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

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• jo0057
• jg0041
• jo0053

... Mosaicing may be used in aperture synthesis to map large fields of view. ... A CLEAN-based method has been developed, in which the components are located in a modified expression. ... Mosaics . ... We present here a CLEAN-based method for the mosaic deconvolution. ... This is a basic problem in mosaic deconvolution: if we intend to apply CLEAN on , the risk of taking a noise peak as a CLEAN component is too important. ... A new CLEAN-based algorithm for mosaic deconvolution has been developed. ...

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• Molecular oxygen in interstellar clouds
• Radio observations of the Marano Field
• G332.4-0.4

. MASTER II robotic telescope at Kislovodsk . MASTER LC depend on time from GRB trigger. Blue points are the image limits. ~21.

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• MASTER-Net Science Release on prompt optical observation of the GRB 090424
• MASTER GLOBAL ROBOTIC TELESCOPES NET
• MASTER GRB101123A prompt observations