Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  16 Aur  ·  17 AR Aur  ·  18 Aur  ·  19 Aur  ·  IC 410  ·  LBN 796  ·  LBN 807  ·  LDN 1530  ·  NGC 1893  ·  PGC 101338  ·  PGC 168946  ·  PGC 168949  ·  PGC 17247  ·  PGC 17272  ·  PGC 17275  ·  Sh2-236  ·  The star 16 Aur  ·  The star 17 Aur  ·  The star 18 Aur  ·  The star 19 Aur  ·  VdB39
IC 410 - THE TADPOLES NEBULA, Stefano Attalienti
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IC 410 - THE TADPOLES NEBULA

IC 410 - THE TADPOLES NEBULA, Stefano Attalienti
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IC 410 - THE TADPOLES NEBULA

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Description

C 410, sometimes known as the Tadpole Nebula due to its northeastern filaments (visible in the photo), is a large emission nebula visible in the constellation Auriga. Linked to it is the open star cluster NGC 1893, formed by massive and rather dispersed young stars. The region is home to important star formation processes.
The most recent studies on the calculation of the distance of IC 410, based on photometry and spectroscopy, tend to bring the distance of the nebula system to about 6000 parsecs (over 19500 light years). The real dimensions of IC 410, considered such a large distance, assume remarkable proportions of the order of hundreds of parsecs. At its center it has a sort of cavity in which the open cluster NGC 1893 is located, whose stars are responsible for the ionization of its gases. NGC 1893 is formed by numerous scattered young stars, obscured by some dense molecular clouds; the five dominant stars are of spectral class O, two of which, HD 242908 and LS V +33°16, are of class O5V and are less than three million years old. In total, about fifty young massive stars have been identified, of which 37 are of spectral class B and 4 of class A; some of these have strong emission lines with such characteristics that they can be considered PMS stars (pre-main sequence stars).

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