R Coronae Australis Complex (detail)

This is a colour photo of a small area of about 12 x 12 arcmin 2, near the centre of the R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2-m MPG/ESO Telescope on La Silla (Chile). It is based on a series of CCD exposures through optical B-, V- and R-filters, here rendered as blue, green and red, respectively. The sky field shown measures approx. 33.7 x 31.9 arcmin 2 (about the diameter of the full moon). . North is up and East is left.

Tecnical information : The observations were obtained on the night of 30 August 2000. The image is a combination of twelve large (8000 x 8000 pix) CCD frames taken through B, V, and R filters. Four exposures of 5 min each were obtained in each filter, with the telescope pointing at slightly different positions so that the gaps among the eight individual CCD-chips of the detector can be adequately filled. All frames were carefully aligned, and the intensity levels were cut in order to achieve the proper colour balance. A logarithmic intensity scale was used to improve the dynamical range. The image shows part of this field at the original resolution. The images were prepared by Fernando Comeron (ESO).

Credit:

ESO

About the Image

Id:eso0031b
Type:Observation
Release date:6 October 2000
Related releases:eso0031
Size:3000 x 2992 px

About the Object

Name:R Coronae Australis
Type:Milky Way : Star : Type : Variable
Milky Way : Nebula : Type : Star Formation
Distance:400 light years
Constellation:Corona Australis
Category:Stars

Image Formats

Large JPEG
2.6 MB
Screensize JPEG
169.7 KB

Wallpapers

1024x768
186.9 KB
1280x1024
320.6 KB
1600x1200
506.2 KB
1920x1200
665.0 KB
2048x1536
915.1 KB

Coordinates

Position (RA):19 1 53.65
Position (Dec):-36° 57' 8.59"
Field of view:11.91 x 11.87 arcminutes
Orientation:North is 0.2° right of vertical

Colours & filters

BandTelescope
Optical
B
MPG/ESO 2.2-metre telescope
WFI
Optical
V
MPG/ESO 2.2-metre telescope
WFI
Optical
R
MPG/ESO 2.2-metre telescope
WFI

 

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