Comparing Sky Surveys over Time
noirlab_noirlab2521by June 23rd, 2025
Credit: DESI Legacy Imaging Surveys/LBNL/DOE & KPNO/CTIO/NOIRLab/NSF/AURAImage processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), D. de Martin (NSF NOIRLab) & M. Zamani (NSF NOIRLab)
This image by the Sloan Digital Sky Survey in 2000 shows RSCG 55, a captivating spectacle of gravitationally intertwined galaxies in the constellation Virgo.
Provider: NOIRLab
Image Source: https://noirlab.edu/public/images/noirlab2521by/
Curator: NSF's NOIRLab, Tucson, AZ, USA
Image Use Policy: Creative Commons Attribution 4.0 International License
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Image Details
Position Details
Color Mapping
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- ID
- noirlab2521by
- Subject Category
- Subject Name
- NGC 4410, RSCG 55
- Credits
- DESI Legacy Imaging Surveys/LBNL/DOE & KPNO/CTIO/NOIRLab/NSF/AURAImage processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), D. de Martin (NSF NOIRLab) & M. Zamani (NSF NOIRLab)
- Release Date
- 2025-06-23T08:20:00
- Lightyears
- Redshift
- Reference Url
- https://noirlab.edu/public/images/noirlab2521by/
- Type
- Observation
- Image Quality
- Distance Notes
- Facility
- Víctor M. Blanco 4-meter Telescope, Víctor M. Blanco 4-meter Telescope, Víctor M. Blanco 4-meter Telescope, Víctor M. Blanco 4-meter Telescope
- Instrument
- DECam, DECam, DECam, DECam
- Color Assignment
- Red, Orange, Green, Blue
- Band
- Optical, Optical, Optical, Optical
- Bandpass
- z, i, r, g
- Central Wavelength
- 926, 784, 642, 473
- Start Time
- Integration Time
- Dataset ID
- None, None, None, None
- Notes
- Coordinate Frame
- ICRS
- Equinox
- J2000
- Reference Value
- 186.63279809500227, 9.015359842071776
- Reference Dimension
- 3473.0, 1953.0
- Reference Pixel
- 1736.5, 976.5
- Scale
- -7.274414603936877e-05, 7.274414603936877e-05
- Rotation
- -0.040000000000000133
- Coordinate System Projection:
- TAN
- Quality
- Full
- FITS Header
- Notes
- Creator (Curator)
- NSF's NOIRLab
- URL
- https://noirlab.edu
- Name
- Telephone
- Address
- 950 North Cherry Ave.
- City
- Tucson
- State/Province
- AZ
- Postal Code
- 85719
- Country
- USA
- Rights
- Creative Commons Attribution 4.0 International License
- Publisher
- NSF's NOIRLab
- Publisher ID
- noirlab
- Resource ID
- noirlab2521by
- Resource URL
- https://storage.noirlab.edu/media/archives/images/original/noirlab2521by.tif
- Related Resources
- Metadata Date
- 2026-07-03T19:06:21+02:00
- Metadata Version
- 1.1
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Detailed color mapping information coming soon...
