💫Nuevo!! Universo Mágico muestra los catálogos de IC y Barnard. Búscalos en la barra de navegación y lateral.

💫Los aficionados ya pueden escribir sobre astronomía. Date de alta como Autor en Universo Mágico Público.

 ðŸ’«Si eres Autor prueba la opción Nueva Entrada

💫Grupos de Astronomía en Facebook: Astronomy & Space Exploration - Universo Mágico - Big Bang - Galicia Astronómica

💫R Coronae Australis

This is a colour photo of a small area of about 12 x 12 arcmin, 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).


Publicar un comentario