Astronomy Picture of the Day . ... The Heart and Soul Nebulas . ... Possibly not, but that is where two bright emission nebulas nicknamed Heart and Soul can be found. ... Tracking major weather patterns on the Solar System's outermost gas giant can help in the understanding of global weather patterns here on Earth. ... Known to some as the Elephant's Trunk Nebula, parts of gas and dust clouds of this star formation region may appear to take on foreboding forms, some nearly human. ...

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... 2008 April 28 . Star Forming Region NGC 3582 . ... Explanation: What's happening in the NGC 3582 nebula? Bright stars and interesting molecules are forming. The complex nebula resides in the star forming region called RCW 57. Visible in this image are dense knots of dark interstellar dust , bright stars that have formed in the past few million years, fields of glowing hydrogen gas ionized by these stars, and great loop s of gas expelled by dying stars. ... About APOD | ...

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• APOD: 2004 April 14 - Massive Star Forming Region DR21 in Infrared
• APOD: 2007 April 29 - NGC 6302: Big, Bright, Bug Nebula
• APOD: 2012 April 16 - The Eagle Nebula from Kitt Peak

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Camera 1 . ... At 0230 in the morning of 23rd of April, a bright fireball was detected by the Armagh Observatory video meteor station. ... The fireball was also detected by Robert Cobain's meteor station in Bangor where its brightness was estimated to be -11. From Armagh, its brightness was comparable to, if slightly less than, that of the Full moon. ... Video Meteor Station . Meteor Log NI . ...

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True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Chandra Proposer's Guide pile up section ] During frame readout, the ACIS CCDs take 40 microsec to (parallel) transfer the charge by one pixel. As a result of this, each frame readout, each pixel is exposed for 40 microsec to a source (plus cosmic X-ray background) at each location along its column. ... Note also that the image does not just trail, it extends along the whole column. ... Chandra Supernova Remnant Catalog . ...

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• Source Selection

One of the first light images taken on April 22, 1998 in 195 Angstroms . Loops viewed on April 25, 1998, seen in 171 Angstroms. ... Active Region seen on April 26, 1998 in 171 Angstroms . ... Flare observed in 1216 Angstroms on May 19, 1998 . ... Post flare loop observations on August 16, 1998 observed in 171 Angstroms . Post flare loop observations on August 16, 1998 observed in 195 Angstroms . ... Active regions observed on August 19, 1998 in 171 Angstroms . ...

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• AO on AR 8970
• APOD: April 2, 1999 - Stars of NGC 206
• APOD: 2000 April 24 - Reflection Nebula M78

... User Guide ] Task: moment Purpose: Calculate moments of a Miriad image. ... Key: in The input image. No default. ... Key: mom -3: Velocity at peak intensity using a three-point quadratic fit around the peak (km/s). 2: Peak intensity using a three-point quadratic fit (units same as individual channels). ... The moments are calculated independently for each pixel using spectral channels with intensity satisfying the specified clip range. ... Key: axis Axis for which the moment is calculated. ...

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• casacore: images/Regions/RegionManager.h Source File
• Recording Systems.
• casacore: casa::RFWriter Class Reference

... Sun images . ... Sun flares . ... Active areas . April : 2016 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Coordinates and other characteristics of active regions are issued for April 09, 2016 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for April 09, 2016 00:31 UT . ...

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• Sunspots and active regions April 10, 2012
• Sunspots and active regions April 01, 2012
• Sunspots and active regions April 10, 2010

... Authors: Laurent Loinard 1 2 , Ronald J. Allen 1 We present new interferometric 12 CO(1-0) and single-dish 12 CO(3-2) observations of the central parts of D478, a large (> 200 pc) dark dust cloud located in a quiescent region in the inner disk of M31 where single-dish 12 CO(1-0) and 12 CO(2-1) observations were previously obtained. Only a small fraction (< 15%) of the 12 CO(1-0) flux previously detected in this region with the single-dish telescope is recorded by the interferometer. ...

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• WFPC2 Bright Star Avoidance Regions
• Infrared Imaging of the Large Magellanic Cloud Star-forming Region Henize 206
• HST this week: 117

... a major flood of the entire Upper Mississippi River basin which resulted in very wide spread agricultural and commercial damage. On August 10, an enormous plume of turbid river water was detected extending eastward from the Mississippi River delta region. River water discharged on the western side of the delta flowed eastward around the south side of the delta, joining additional river water discharged from passes on the south and east sides of the delta. ...

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• Historical Weather Anamolies: Jan-Feb
• Historical Weather Anamolies: Mar-Apr
• Current Weather Conditions

... rgsregions defines and constructs the various RGS event-selection regions, and adds them to the source list (see rgssources ). ... Image regions and the background region refer to the plane of dispersion versus cross-dispersion ( image plane ) and select events based on their spatial coordinates. ... The order regions refer to the plane of dispersion versus calibrated pulse-height ( energy plane ) and select events from a specific astrophysical source within a particular reflection order. ...

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• The contour method of calculating source region shape

... Contacts . 2010: . Sources of polarized radiation with unusual spectral features discovered in the Sun. In the framework of the study of solar active regions that produce powerful flares the researchers from the RATAN-600 radio telescope have detected sources with features in the form of a sharp decrease in the intensity of polarized radiation in various parts of the recorded frequency range (2-16GHz), sometimes changing the sign of polarization. ... Contacts: Bogod V.M. ) . Archive . ...

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• Galaxy sector, archive 1994
• Detection of unique bright radio flare of X-ray binary
• Solar system sector, archive 1999

... Here are some general thoughts about the role of Mark5 recording in pulsar experiments. Pulsar work with the Mark5 Backend: Advantages: Flexibility: Set frequency time resolution after observations, enabling multiple analyses of the data. ... We can use the Mark5 recorders to gauge stability of the other pulsar timing backends: at multiple telescopes, and multiple epochs). ... The properties of these features changes as the scattering medium changes on day-month time scales. ...

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• http://www.naic.edu/general/PDF/RI/Yervant_Terzian.pdf
• Obs-list with VLBA4
• water ice on mercury

... Behemoth black hole found in an unlikely place . ... Fermi sees record flare from a black hole in a distant galaxy . ... Astronomers around the world turned instruments toward the galaxy to observe this brief but record-setting flare in greater detail. ... During a flare in 1991 detected by the EGRET instrument on NASA s then recently launched Compton Gamma Ray Observatory, which operated until 2000, the galaxy set the record for the most distant and luminous gamma-ray source known at the time. ...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Cosmic distance record smashed | Astronomy.com
• ALMA pinpoints early galaxies at record speed | Astronomy.com

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... News . ... The Central Palace of Culture after M.I. Kalinin hosted gala concert sponsored by Rocket and Space Corporation Energia after S.P. Korolev to mark the occasion of the 50th anniversary of the pioneer human space flight. ... Contribution of RSC Energia to the Russian Rocket-Space Technology . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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• OFFICIAL PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA

Data Archive . Video-records archive . ... 1997 | ... Time (UT) Counter Remarks _______________________________________________________________________________ 05.01. 10:29:17 2:06:42 scan disk 11:58:23 2:11:19 active regions 06.01. 09:49:51 2:12:17 scan disk 10:56:24 2:19:10 active regions 12.01. 09:39:12 2:19:59 scan disk 10:03:41 2:27:51 active region 10:05:09 2:28:34 filament 10:07:17 2:29:10 ...

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• IDL programs

... OCR by H.Andernach 1/96, to be proof-read) This is the first of a series of papers presenting results of a 10-GHz radio continuum survey of the galactic plane region using the 45-m telescope at Nobeyama. ... Weak Nonthermal Sources: A comparison with the Bonn S-GHz survey reveals a number of weak nonthermal sources near the galactic plane. ... For this reason we conducted a survey of the galactic plane region at 10 GHz using the 45-m radio telescope at the Nobeyama Radio Observatory (NRO). ...

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• DRAO surveys
• Catalog of Galaxies behind the Milky Way
• Survey of Galactic region

... IONOSPHERIC DATA IN THE INTERACTIVE SPIDR SYSTEM . ... The Ionosphere The ionosphere is that part of the upper atmosphere where free electrons occur in sufficient density to have an appreciable influence on the propagation of radio frequency electromagnetic waves. ... These regions may be further divided into several regularly occurring layers, such as F1 or F2. ... E Region: The region between about 95 and 150km above the Earth that marks the height of the regular daytime E layer. ...

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... Thus all regions of the 0.94-2.50 micron wavelength range accessible from Mauna Kea can be recorded using five fixed angle gratings. ... Grating Angle . ... Efficiencies for the NIFS gratings are shown above. The NIFS spectrograph uses a Bouwers collimator and a refractive camera. ... With these assumptions, the NIFS system efficiency including the Gemini telescope optics but excluding the transmission of the adaptive optics system is about 0.17 e - /photon at J , and 0.22 e - /photon at H and K . ...

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• ...for the most difficult/finickity/unbelievable recorded/verified observation
• Blue Straggler Stars
• GSAOI Orion Nebula Cluster Science Page

... SSAU History . SSAU roadmap . ... Student clubs . ... On June 27 SSAU student Vladislav Kozlov has become the winner in a medley relay of 4x100 meters at the European Games in Baku within the Russian team in swimming. ... Vladislav Kozlov, the first year student of SSAU Institute of Electronics and Instrumentation, at the last stage of freestyle swim managed to bring victory to his team ahead of the English and Polish sportsmen. ... e-mail: ssau@ssau.ru . http://www.ssau.ru . ...

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• Efimova Ekaterina Andreevna
• Samara region
• The Government of Samara Region and SSAU will train personnel for aerospace

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Possibilities of observing . ... Investigations of the SSRT 5.7 GHz radio maps in conjunction with images obtained in other emission ranges, suggested the following conclsions: . ... Solar images obtained in line H a ;(on the left, 16:11 UT, Big Bear observatory) and in the microwave emission (on the right, 04:04 UT, SSRT) 4 march 1997 . ...

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