Celestial hemisphere:  Southern  ·  Constellation: Corona Australis (CrA)  ·  Contains:  Alfecca Meridiana  ·  Alfecca Meridiana (α CrA)  ·  Corona Australis  ·  HD174760  ·  HD175028  ·  HD175073  ·  HD175093  ·  HD175195  ·  HD175261  ·  HD175302  ·  HD175362  ·  HD175393  ·  HD175394  ·  HD175479  ·  HD175480  ·  HD175626  ·  HD175649  ·  HD175714  ·  HD175762  ·  HD175854  ·  HD176018  ·  HD176150  ·  HD176269  ·  HD176270  ·  HD176271  ·  HD176385  ·  HD176386  ·  HD176423  ·  HD176424  ·  HD176458  ·  And 59 more.
Corona Australis Molecular Cloud - Dust in the light from the VLT and the Atacama Desert, Anil Monnier
Powered byPixInsight

Corona Australis Molecular Cloud - Dust in the light from the VLT and the Atacama Desert

Corona Australis Molecular Cloud - Dust in the light from the VLT and the Atacama Desert, Anil Monnier
Powered byPixInsight

Corona Australis Molecular Cloud - Dust in the light from the VLT and the Atacama Desert

Equipment

Loading...

Acquisition details

Loading...

Description

This is the Corona Australis Molecular Cloud. It is part of one of the smallest constellations and is best seen in the Southern Hemisphere. Lying alongside the Milky Way core, Corona Australis contains one of the closest star-forming regions to our Solar System, at only 430 light years away. 
This kind of cloud doesn’t directly emit light. We can only see them because they reflect the light from their surrounding stars.This dark and thick cloud of dust is kind of strange looking compared to most of the star-forming regions we can usually observe. 
We can see some protostars (forming stars) activity here. They are literally absorbing the cloud’s materials around them to grow. Therefore, if we look closely, we can notice some missing patches of cloud around the stars that are caught up in it. For example, around the bright blue binary stars in the center.
Studies have shown that some planets are already forming in this certainly lifeless region.
On the top right of the image, we can see a globular star cluster, named NGC 6723. It is much further away from us than the cloud, at around 28,400 light-years of distance, and it is estimated to be 12.5 billion years old.

The story behind it:

I took this picture during my trip to the northern part of the Atacama Desert in Chile. The landscapes contrasted with the unique night sky made us feel like we were on another planet.Each filter (L,R,G,B) was used on a different imaging location. The night before going to visit the VLT, we set camp close to the telescope’s facility. This was the most impressive stargazing night of the trip as there was ABSOLUTELY no light pollution, moonless night of course, and as always in Chile, the Milky Way core was right above us. The Milky Way was so bright and full of stars that you can see your shadow on the ground! 

PS: It is this night that I gathered the data with the Luminance filter (the most important one lol). Unfortunately, like a du** as*, 90% of this night’s data was useless as the pictures were slightly out of focus… That’s why I got so little LUM exposure time (45min)… But I think the picture turned out pretty well even though it took me ages to process it.

Comments

Sky plot

Sky plot

Histogram

Corona Australis Molecular Cloud - Dust in the light from the VLT and the Atacama Desert, Anil Monnier