The central part of Messier 12
eso_eso0604a February 7th, 2006
Credit: ESO
Centre of the globular cluster Messier 12 as observed with the FORS-1 multi-mode instrument on ESO's Very Large Telescope (Cerro Paranal, Chile). The picture covers a region of about 3.5 arcmin on a side, corresponding to about 23 light-years at the distance of Messier 12. It is based on data in five different filters : U, B, V, R and H-alpha. Here only the short exposures were used while for their scientific analysis, the authors used much longer exposures. Guido De Marchi (ESA) reduced the data and Kristina Boneva and Haennes Heyer (ESO) did the final image processing. The observations were obtained with very good conditions, the image quality ('seeing') being around 0.6 arcsec.
Provider: European Southern Observatory
Image Source: https://www.eso.org/public/images/eso0604a/
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
- eso0604a
- Subject Category
- B.3.6.4.1
- Subject Name
- Messier 12
- Credits
- ESO
- Release Date
- 2006-02-07T00:00:00
- Lightyears
- Redshift
- Reference Url
- https://www.eso.org/public/images/eso0604a/
- Type
- Observation
- Image Quality
- Distance Notes
- Facility
- Very Large Telescope, Very Large Telescope, Very Large Telescope, Very Large Telescope, Very Large Telescope
- Instrument
- FORS1, FORS1, FORS1, FORS1, FORS1
- Color Assignment
- Band
- Optical, Optical, Optical, Optical, Ultraviolet
- Bandpass
- H-alpha, R, V, B, U
- Central Wavelength
- 656, 600, 554, 420, 360
- Start Time
- Integration Time
- Dataset ID
- Notes
- Coordinate Frame
- ICRS
- Equinox
- J2000
- Reference Value
- 251.809389519, -1.94671483453
- Reference Dimension
- 3060.0, 3056.0
- Reference Pixel
- 1530.0, 1528.0
- Scale
- -1.84623053102e-05, 1.84623053102e-05
- Rotation
- 0
- 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
- eso0604a
- Resource URL
- https://www.eso.org/public/archives/images/original/eso0604a.tif
- Related Resources
- Metadata Date
- 2009-01-07T14:39:49+01:00
- Metadata Version
- 1.0
Detailed color mapping information coming soon...
