... Credit Copyright: John Vermette Explanation: This interstellar canine is formed of cosmic dust and gas interacting with the energetic light and wind s from hot young stars. ... The characteristic blue glow on the left is dust reflecting light from the bright star S Mon , the bright star just below the top edge of the featured image . ... S Mon is part of a young open cluster of stars, NGC 2264 , located about 2,500 light years away toward the constellation of the Unicorn ( Monoceros ). ...

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• Seven Sisters Versus California
• In the Vicinity of the Cone Nebula
• Pleiades and Stardust

... 2010 February 14 . Field of Rosette . ... Explanation: What surrounds the florid Rosette nebula? To better picture this area of the sky, the famous flowery emission nebula on the far right has been captured recently in a deep and dramatic wide field image that features several other sky highlights. Designated NGC 2237, the center of the Rosette nebula is populated by the bright blue stars of open cluster NGC 2244 , whose winds and energetic light are evacuating the nebula's center. ...

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• APOD Index - Nebulae: Emission Nebulae
• APOD: 2012 February 12 - Orion in Gas, Dust, and Stars
• APOD: 2014 February 16 - Inside the Eagle Nebula

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Telescopes and Observatories . ... The majestic star-forming region in the Lagoon Nebula. The pale ring to the right is an internal reflection in the telescope.€а (Image credit: ESO/ VPHAS+/ V. Kalari and J. Vink (Armagh Observatory) . ... The 18 component images were further processed twice. ... Venu and his colleagues use images like this to identify individual young forming stars in the Lagoon Nebula and determine their ages. ...

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• HST | Astronotes - Part 4
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• - Part 42

... GSAOI Home . ... Science . ... Deep imaging at J , H , and K is required to identify all stellar objects, brown dwarfs, and planetary mass objects in the central region of the Orion Nebula Cluster down to masses comparable to that of Jupiter. This is required to establish the initial mass function, i.e., the number of stars of each mass that have formed, in this region of intense massive star formation. ... The fields of the GSAOI detectors are shown as four green squares in each frame. ...

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• Blue Straggler Stars
• Siding Spring Survey

... Values have been scaled arbitrarily. High ratios are shown in blue, corresponding to blue colors, and low ratios are shown in red, corresponding to red colors. ... Noise combined with background subtraction difficulties in the lower left quadrant of the WISP1 data (see Fig. \ref{Fig:wisp_snr_mskd}) make colors in this area very unreliable. ... The values shown here are typically a factor of ~3 less than those calculated for the Schmidt data, shown in Figure \ref{Fig:bj_alpha}. ...

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• The Pleiades

... a spiral galaxy some million light years away, made by combining images . ... 1st February using the Armagh Robotic Telescope at the Armagh Observatory. ... Image credit: Simon Jeffery. Astronomers Simon Jeffery and Jack Wright have obtained their first images of deep-space objects using a new тАЬroboticтАЭ telescope at Armagh Observatory. ... Simon Jeffery, project scientist for the new telescope, said: "After two years of hard work, it is very satisfying to see the first images looking so good. ...

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• FETTU - Page 1
• Objects in the Sky
• The Electron Pressure Differential between the Sunspot Plume and the

... STScI-PRC98-11A STARING INTO THE WINDS OF DESTRUCTION: HST/NICMOS IMAGES OF THE PLANETARY NEBULA NGC 7027 The Hubble Space Telescope's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) has captured a glimpse of a brief stage in the burnout of NGC 7027, a medium-mass star like our sun. ... The material settles into a wind of gas and dust blowing away from the dying star. ... During this phase, intense ultraviolet radiation from the central star lights up a region of gas surrounding it. ...

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• APOD: May 22, 1996 - Star Cluster in the Rosette Nebula
• Cannibal Stars Cause Giant Explosions in Fornax Cluster Galaxy (ESO Press
• A collection of images

... Tadpole Emission Nebula and the Flaming Star Nebula . The constellation of Auriga harbors the cluster NGC 1893 which contains the Tadpole Nebula (IC 410). ... The Flaming Star Nebula, IC 405, is the magenta/purplish area and is the reflection portion of this nebulous region. 5nm Narrowband filters; H-alpha: O-III: S-II - 60: 60: 40 minutes x 600-second sub frames, Total= 2-hours 40-minutes, binned 1x1. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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The image at left shows the nearby Andromeda galaxy. The rectangular box marks the region probed by NASAтАЩs Hubble Space Telescope (a blend of visible and ultraviolet light). ... The bright area near the center of the image is a grouping of stars nestled around the galaxy's black hole. The blue dots sprinkled throughout the image are ultra-blue stars whose population increases around the crowded hub. The square box shows a close-up view of an area around the core. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B44C8A9EA-1657-4C25-9406-ABEB2AACA2DC%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BAC8D474C-02CD-44C2-BAFD-5A0FDA9BC724%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B5A7C982A-3ED2-4E91-A6CA-27FE3029C0B0%7D

... Home Gallery Astrophotography Deep Sky Images by Joe DiNapoli . ... Deep Sky Images by Joe DiNapoli . ... Deep Sky Gallery by Ed Fox . ... Beyond New York City . ... 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 . ...

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• Astro-Imaging ? Page 6 ? Amateur Astronomers Association of New York
• This MonthтАЩs Sky тАУ February 2016 ? Amateur Astronomers Association of New
• Astro-Imaging ? Page 9 ? Amateur Astronomers Association of New York

On the left in the above image is the April 2000 STIS 50ccd image of GRB 000301C, on the right February 2001 50ccd image. The field of view in each case is approximately 3."5 from East to West (left to right). ... The OT of GRB 000301C is clearly visible in the south-east corner of the image of the April 2000 image. ... The field of GRB 000301c was reobserved by the Hubble Space Telescope using the STIS camera in open (50CCD) mode on the 25 Feb 2001, or nearly one year after outburst. ...

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• Brandon's Research
• Dusty HII Regions and Planetary Nebulae
• Observing Faint Targets Near Bright Objects

... Comet Animation . ... Comet structures are diverse and very dynamic, but they all develop a surrounding cloud of diffuse material, called a coma, that usually grows in size and brightness as the comet approaches the Sun. ... As comets approach the Sun they develop enormous tails of luminous material that extend for millions of kilometers from the head, away from the Sun. ... The evaporated molecules boil off and carry small solid particles with them, forming the comet's coma of gas and dust. ...

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• Pluto and Charon
• Venus Picture List
• Uranus' Moon Umbriel

8th of February 2015 . International Year of Light 2015 . High resolution radio emission from RCW 49 . ... Benaglia et al. (2013) analyse Molonglo 843 MHz and ATCA 5.5 / 9 GHz radio continuum data. They find two radio shells closely matching the Spitzer infrared emission, showing pillars, filaments and a bright bridge. The image shows the ATCA 9 GHz radio continuum emission in red , the Spitzer 3.6 micron emission in blue and the Spitzer 8 micron emission in green . ... today * ATNF | ...

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• HIPASS Science meeting
• Atlas of Images
• Regular Regions of Interest

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... FLAMES . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... This spectacular visible light wide-field view of part of the famous belt of the great celestial hunter Orion shows the region of the sky around the Flame Nebula. ...

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• AdelePlunkettAstro
• VLT image of the Carina Nebula in infrared light | ESO
• VST image of the star-forming region Messier 17 | ESO

Star formation is often best manifested by bright H II regions.These are regions of hydrogen which have been ionized by ultraviolet photons which are emitted from massive stars (typically stars more than 20 times the mass of the Sun). ... A narrowband filter image centered on this wavelength will then readily reveal these H II regions and hence the current sites of star formation in a galaxy, The luminous blobs that can be seen here are all H II regions . ... NGC 3558 Visual . NGC 3558 Infrared . ...

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• Astronomy HyperText Book: Interstellar Medium
• Low Surface Brightness Galaxy Gallery
• Astro-2 and the UIT Experiment

... We present a photometric and spectroscopic study of the unique isolated nearby galaxy KKR25. The isolated dwarf spheroidal (dSph) galaxy KKR25 was discovered by Karachentseva, Karachentsev Richter (1999, A , 135, 221) during the search of dwarf galaxies in the direction of the Local Void. In spite of its isolation KKR 25 has no gas and looks like a normal dwarf spheroidal system. ... This is the first known planetary nebula in a dwarf spheroidal galaxy outside the Local Group. ...

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• Galaxy sector, archive 1994
• important_en
• Sun image

SAOtng can associate names with region markers in order to aid users in remembering the significance of the region. ... By default, marker regions that you create in SAOtng are defined to be either "source" regions or "background" regions and are colored green and red, respectively. ... This type name is controlled by the "Set Type (and Color)" option in the marker menu (activated using the right mouse button within a region). ... Colors can be associated with names for regions. ...

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• ChaMPlane data_archive_.html
• Region Algebra
• A Region mask for a radial profile in concentric, elliptical annuli

XMM-Newton Science Analysis System . ... yes . ... pn source region expression for spectral analysis . ... pn background region expression for spectral analysis . ... mos1 source region expression for spectral analysis . ... mos1 background region expression for spectral analysis . ... mos2 source region expression for spectral analysis . ... pn source region expression for timing analysis . ... mos1 source region expression for timing analysis . ... mos2 source region expression for timing analysis . ...

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• From 0 to <tt>Xspec</tt> in a few clicks
• Change history
• Summary of the buttons

... Flux density at 1 GHz (/Jy): 250 . ... Radio: Distorted shell, brighter to the E, with pulsar and associated nebula. ... ADS . ... Molonglo at 408 MHz (3': S=299 Jy). ... Einstein observations. ... 1991, ApJ, 372, L99. ... VLA at 327 MHz (3'.6?3'.8: S=469 Jy). ... VLA at 1.4 GHz (15''), plus X-ray spectra. ... 1996, ApJ, 461, 820. ... VLA at 1.5 and 8.4 GHz (8".9?7".8) of pulsar nebula. ... Reach & Rho 1996, A&A, 315, L277. ... VLA at 74 MHz (36''?39'': S=634?70 Jy) and 324 MHz (13'': S=411?50 Jy). ...

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• G189.1+3.0
• G320.4-1.2
• G111.7-2.1

... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...

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• Meade Series 4000 Broadband Nebular Filters
• Meade Instruments Corporation - Choosing the Right Microscope
• UHTC Coatings: Ultra High Transmission Coatings, Special Coatings, Telescopes,