NGC 346 hydrogen emission (captured by the Hubble Space Telescope)



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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.
Date July 2004(2004-07)
Author NASA, ESA and A. Nota (ESA/STScI) (STScI/AURA)
(Reusing this file)
Public domain This file is in the public domain because it was created by NASA and ESA. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by Space Telescope Science Institute and for ESA by the Hubble European Space Agency Information Centre under Contract NAS5-26555. Copyright statement at hubblesite.org or copyright statement at spacetelescope.org.
Hubble 01.jpg
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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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EXIF data:
File name ngc_346_hydrogen_emission__captured_by_the_hubble_space_telescope_.jpg
Size, Mbytes 6.0558955078125
Mime type image/jpeg
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Color space information 65535
Exif image width 3438
Exif image length 3888
Software used Adobe Photoshop CS2 Windows

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