Hubble studies galaxy NGC 691



Announcement!
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Once in the recent past, the telescope with the sonorous name Hubble was at the peak of its scientific popularity, now everything is much more prosaic, the telescope is no longer so young, and the requests from the scientific community are many times higher. This time, the telescope closely studied the distant galaxy NGC 691 for more than a moment.
It's not just a spiral galaxy, it's a galaxy without a jumper. The object is approximately 125 million light-years away, and the search for this beauty is in the direction of the constellation Aries. For the first time this galaxy was seen by the astronomer Herschel and it was in November 1786.
NGC 691 is not just a single galaxy, it is not a large isolated group of galaxies, there are only 9 galaxies in the group. All galaxies have different shapes and sizes are not equal. Some sources may describe this galaxy in different ways based on different catalogs, so for information, such names as LEDA 6793, UGC 1305 and TC 448 may be mentioned. This galaxy is slightly larger than our own, with a diameter of about 130 thousand light-years. The galaxy as a "Yule Toy" consists of several rings, several rings are clearly visible, in the thermal range. This galaxy is difficult to see in the normal light range, it is too small and dim, it can only be seen using a number of special filters.
To get such a colorful photo, you need a long exposure at different wavelengths, as a result, all the photos obtained are collected by superimposing on each other.
Apparently in the end the photo was processed in a good editor and now we see a high quality and very detailed photo of such a large and distant galaxy NGC 691

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Hubble studies galaxy NGC 691

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