File:NGC 346 hydrogen emission (captured by the Hubble Space Telescope).jpg

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Description This image of NGC 346 and its surrounding star formation was taken with Hubble's Advanced Camera for Surveys using a filter which isolates light emitted by hydrogen gas. Individual images from Hubble's cameras retain no color information as such, other than the color of a filter, which selects a range of wavelengths from the full spectrum of light. A black and white (monochrome) image most realistically represents the range of brightness in such a single image. Color images may be reconstructed by combining several images made through different filters and assigning a distinct color to each image. Even without the added color dimension, the wide range of gray tones in the black and white image reveals a great deal of the nebula's finely detailed structure.
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Author NASA, ESA and A. Nota (ESA/STScI) (STScI/AURA)
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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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Two broadband filters —visible (shown in blue) and near-infrared (shown in green) wavelength— combined with narrow-band hydrogen-alpha filter (shown in red).

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current23:39, 21 July 2009Thumbnail for version as of 23:39, 21 July 20093,438 × 3,888 (5.91 MB)Tryphon (talk | contribs){{Information |Description=This image of NGC 346 and its surrounding star formation was taken with Hubble's Advanced Camera for Surveys using a filter which isolates light

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