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Picture of the Day - The Topsy-Turvy Galaxy

Published by Matt on Thu Oct 28, 2010 1:16 pm via: ESO
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The central parts of the starburst galaxy NGC 1313. The very active state of this galaxy is very evident from the image, showing many star formation regions. A great number of supershell nebulae, that is, cocoon of gas inflated and etched by successive bursts of star formation, are visible.

The Topsy-Turvy Galaxy NGC 1313. Credit: ESO

The Topsy-Turvy Galaxy NGC 1313. Credit: ESO

The green nebulosities are regions emitting in the ionised oxygen lines and may harbour clusters with very hot stars. This colour-composite is based on images obtained with the FORS1 instrument on one of the 8.2-m Unit Telescope of ESO’s Very Large Telescope, located at Cerro Paranal. The data were obtained in the night of 16 December 2003, through different broad- (R, B, and z) and narrow-band filters (H-alpha, OI, and OIII).

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