... Credit Copyright: Hubble Legacy Archive , ESA , NASA ; Processing - Donald Waid Explanation: Planetary nebulae can look simple, round, and planet-like in small telescopes. ... This composite color Hubble image of NGC 6751 , the Glowing Eye Nebula, is a beautiful example of a classic planetary nebula with complex features . ... Publications with keywords: NGC 6751 - planetary nebula . Publications with words: NGC 6751 - planetary nebula . ... Bright Planetary Nebula NGC 7027 from Hubble . ...

... 2012 April 20 . M57: The Ring Nebula . Credit: Composite Image Data - Subaru Telescope ( NAOJ ), Hubble Legacy Archive ; . ... Explanation: Except for the rings of Saturn , the Ring Nebula (M57) is probably the most famous celestial band. ... But expansive looping structures are seen to extend far beyond the Ring Nebula's familiar central regions in this intriguing composite of ground based and Hubble Space Telescope images with narrowband image data from Subaru. ... Archive | ... About APOD | ...

... STScI-PRC00-12 THE GLOWING EYE OF NGC 6751 Astronomers using NASA's Hubble Space Telescope have obtained images of the strikingly unusual planetary nebula, NGC 6751. Glowing in the constellation Aquila like a giant eye, the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its center. ... The nebula shows several remarkable and poorly understood features. ... Hajian and his team are scheduled to reobserve NGC 6751 with Hubble's WFPC2 in 2001. ...

The Structure and Energetics of Active Galactic Nuclei Bradley M. Peterson The Ohio State University 2002 April 4 Hubble Science Legacy 1 The AGN Paradigm · The black-hole + accretion-disk model is finally fairly secure ­ Black-hole mass measurements have unknown systematic uncertainties · No generally accepted models for emission and absorption regions, though disk-related outflows seem most promising 2002 April 4 Hubble Science Legacy 2 Major AGN Questions · What are the masses AGN black holes? ...

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Jeremy R. Walsh . ... Planetary nebula NGC 6302 (HST WFC3 UVIS image ). ... Archive Scientist, Data Management and Operations Division Lead of ST-ECF Advanced Data Products group including the Hubble Legacy Archive Project , the ACS slitless spectroscopy project and support for WFC3 slitless spectrometry . Planetary Nebulae: chemical abundances; kinematics; laboratories for atomic physics; extra-galactic planetary nebulae as cosmic probes . ... ADS . ... The Hubble Legacy Archive ACS grism data. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... This image of the Tarantula Nebula comprises one of the largest mosaics ever assembled from Hubble photos and includes observations taken by HubbleтАЩs Wide Field Camera 3 and Advanced Camera for Surveys, combined with observations from the European Southern ObservatoryтАЩs MPG/ESO 2.2-metre telescope which trace the location of glowing hydrogen and oxygen. ... Subscribe to Astronotes . ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the resea