Tuesday, August 30, 2016
Flash from the past, Cederblad 214, the Cosmic Question mark, reprocessed
The new imaging season will start at 5. of September up here 65N. I have been practising my data processing skills by reprocessing some of my older image data. This time the Cederblad 214 got a new processing. Not a big difference to original processing, little better colors and the detail level is somehow higher.
Cederblad 214, the Cosmic Question Mark
Click for a much large image
A detail
INFO
Source: NASA APOD
Towering pillars of cold gas and dark dust adorn the center star forming region of Sharpless 171. An open cluster of stars is forming there from the gas in cold molecular clouds. As energetic light emitted by young massive stars boils away the opaque dust, the region fragments and picturesque pillars of the remnant gas and dust form and slowly evaporate. The energetic light also illuminates the surrounding hydrogen gas, causing it to glow as an emission nebula. Pictured above is the active central region of the Sharpless 171 greater emission nebula. Sharpless 171 incorporates NGC 7822 and the active region Cederblad 214, much of which is imaged above. The area above spans about 20 light years, lies about 3,000 light years away, and can be seen with a telescope toward the northern constellation of the King of Ethiopia (Cepheus).
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