File:Improvement in Hubble images after SMM1.jpg

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English: This comparison image of the core of the galaxy M100 shows the dramatic improvement in Hubble Space Telescope's view of the universe after the first Hubble Servicing Mission in December 1993. The new image, taken with the second generation Wide Field and Planetary Camera (WFPC-2) installed during the STS-61 Hubble Servicing Mission, beautifully demonstrates that the camera's corrective optics compensate fully for the optical aberration in Hubble's primary mirror. With the new camera, the Hubble explored the universe with unprecedented clarity and sensitivity, and fulfilled its most important scientific objectives for which the telescope was originally built.

Image on right: The core of the grand design spiral glazy M100, as imaged by WFPC-2 in its high-resolution channel. WRPC-2's modified optics corrected Hubble's previously blurry vision, allowing the telescope for the first time to cleanly resolve faint structures as small as 30 light-years across in a galaxy tens of millions of light-years away. The image was taken on December 31, 1993.

Image on left: For comparison, a picture taken with a WFPC-1 camera in wide-field mode on November 27, 1993, just a few days prior to the STS-61 servicing mission. The effects of optical aberration in HST's 2.4-meter primary mirror blur starlight, smear out fine detail, and limit the telescope's ability to see faint structure.

Both Hubble images were "raw," they were not processed using computer image reconstruction techniques that improved aberrated images made before the servicing mission. The Wide Field and Planetary Camera-2 was developed by the Jet Propulsion Laboratory and managed by the Goddard Space Flight Center for NASA's Office of Space Science.
Español: Imágenes de la galaxia espiral Messier 100 demuestran la mejora en las capacidades de toma de imágenes del Hubble después que correctivos ópticos fueran instalados en la 1a Misión de Servicio en 1993.
Português: Imagens da galáxia em espiral M100 demonstram a melhoria nas imagens do Telescópio Espacial Hubble após a instalação de ópticas correctivas durante a 1ª Missão de Serviço em 1993. Tirado de
Italiano: Immagine della galassia a spirale M 100 che dimostra i miglioramenti nelle immagini di Hubble dopo le correzioni ottiche installate durante la prima missione di manutenzione del 1993.
Русский: Коррекция аберрации телескопа. Снимок галактики М100 до и после установки COSTAR.
Deutsch: Das Bild von M 100 zeigt die Verbesserung der Abbildungssleistung des Teleskopes von Hubbel vor und nach der Servicemission von 1993
Source From Hubble Images of M100 Before and After Mirror Repair.
Author NASA
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped. The original can be viewed here: Hubble Images of M100 Before and After Mirror Repair - GPN-2002-000064.jpg: .

This image or video was catalogued by Goddard Space Flight Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: GPN-2002-000064 and Alternate ID: 94-HC-2.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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Public domain
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.

The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.

For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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Date/TimeThumbnailDimensionsUserComment
current18:54, 26 February 2009Thumbnail for version as of 18:54, 26 February 20092,941 × 1,488 (1.58 MB)Earthsound (talk | contribs)Larger (cropped) version of the "Hubble Images of M100 Before and After Mirror Repair" image.
04:35, 13 October 2005Thumbnail for version as of 04:35, 13 October 2005503 × 251 (24 KB)Nuno Tavares (talk | contribs);Descrition :{{english}}: Images of the spiral galaxy en:M100 demonstrate the improvement in Hubble images after corrective optics were installed during Servicing Mission 1 in 1993. :{{português}}: Imagens da pt:galáxia em espiral [[:pt:M10

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