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Summary
DescriptionNGC691 - HST - Potw2122a.tiff |
English: The Eponymous NGC 691
This image features the spiral galaxy NGC 691, imaged in fantastic detail by Hubble’s Wide Field Camera 3 (WFC3). This galaxy is the eponymous member of the NGC 691 galaxy group, a group of gravitationally bound galaxies that lie about 120 million light-years from Earth. Objects such as NGC 691 are observed by Hubble using a range of filters. Each filter only allows certain wavelengths of light to reach Hubble’s WFC3. The images collected using different filters are then coloured by specialised visual artists who can make informed choices about which colour best corresponds to which filter. By combining the coloured images from individual filters, a full-colour image of the astronomical object can be recreated. In this way, we can get remarkably good insight into the nature and appearance of these objects. Credit: ESA/Hubble & NASA, A. Riess et al. Acknowledgement: M. Zamani Coordinates Position (RA): 1 50 41.34 Position (Dec): 21° 45' 32.77" Field of view: 2.04 x 2.15 arcminutes Orientation: North is 23.4° right of vertical Colours & filters Band Wavelength Telescope Optical Long pass 350 nm Hubble Space Telescope WFC3 Optical V 555 nm Hubble Space Telescope WFC3 Optical I 814 nm Hubble Space Telescope WFC3 Infrared H 1.6 μm Hubble Space Telescope WFC3. |
Date | 31 May 2021, 06:00(Release) |
Source | https://esahubble.org/images/potw2122a/ |
Author |
Credit: ESA/Hubble & NASA, A. Riess et al. Acknowledgement: M. Zamani |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:02, 1 June 2021 | 3,089 × 3,255 (57.57 MB) | Fabian RRRR | Uploaded a work by HST from spacetelescope.org with UploadWizard |
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Width | 3,089 px |
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Height | 3,255 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Image data location | 30,936 |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 3,255 |
Bytes per compressed strip | 60,328,170 |
Horizontal resolution | 25.4 dpi |
Vertical resolution | 25.4 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop 22.3 (Windows) |
File change date and time | 21:12, 29 April 2021 |
Color space | Uncalibrated |