FORS1 first light - distant cluster of galaxies
eso_eso9845b September 23rd, 1998
Credit: ESO
Produced from a 5-min near-infrared exposure, this image was obtained during the night of First Light of the FORS1 instrument (September 15, 1998). It shows a sky field near the quasar PB5763 in which is also seen a peculiar, quite distant cluster of galaxies. Many other fainter galaxies are seen in other areas, for instance in the right part of the field. Images eso9845b (negative) and eso9845c (positive) are based on a monochrome image taken in 0.8 arcsec seeing through a near-infrared (I; 800 nm) filtre. The exposure time was 5 minutes and the image was flat-fielded. The fields shown measure 6.8 x 6.8 arcmin and 2.5 x 2.3 arcmin, respectively. North is to the upper left; East is to the lower left.
Provider: European Southern Observatory
Image Source: https://www.eso.org/public/images/eso9845b/
Curator: European Southern Observatory, Garching bei München, Germany
Image Use Policy: Creative Commons Attribution 4.0 International License
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Image Details
Position Details
Color Mapping
- ID
- eso9845b
- Subject Category
- D.5.3.2.1 D.5.5.3
- Subject Name
- PB 05763
- Credits
- ESO
- Release Date
- 1998-09-23T00:00:00
- Lightyears
- Redshift
- Reference Url
- https://www.eso.org/public/images/eso9845b/
- Type
- Observation
- Image Quality
- Distance Notes
- Distance to quasar PB 05763 in redshift from NED.
- Facility
- Very Large Telescope
- Instrument
- FORS1
- Color Assignment
- Grayscale
- Band
- Infrared
- Bandpass
- I
- Central Wavelength
- 800
- Start Time
- Integration Time
- Dataset ID
- Notes
- T
- Coordinate Frame
- ICRS
- Equinox
- J2000
- Reference Value
- 2.200156, -0.658975
- Reference Dimension
- 2323.0, 2320.0
- Reference Pixel
- 2208.0927462, 1490.91151607
- Scale
- -4.831626e-05, 4.831626e-05
- Rotation
- 45.11800208931
- Coordinate System Projection:
- TAN
- Quality
- Full
- FITS Header
- Notes
- Creator (Curator)
- European Southern Observatory
- URL
- http://www.eso.org/
- Name
- Telephone
- Address
- Karl-Schwarzschild-Strasse 2
- City
- Garching bei München
- State/Province
- Postal Code
- D-85748
- Country
- Germany
- Rights
- Creative Commons Attribution 4.0 International License
- Publisher
- European Southern Observatory
- Publisher ID
- eso
- Resource ID
- eso9845b
- Resource URL
- https://www.eso.org/public/archives/images/original/eso9845b.tif
- Related Resources
- Metadata Date
- 2009-01-08T13:15:44+01:00
- Metadata Version
- 1.1
Detailed color mapping information coming soon...
