Eta Aurigae
Eta Aurigae
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Eta Aurigae
Edmonton, Alberta, Canada
2019-Oct-06
Exposures: RGB 49/49/42 x 2m = 4h 40m
Processing: SGP,MaximDL,Gimp
Telescope: CFF132,STF-8300M,GM1000
Guider: LE80,LSX2,GSO2X
Eta Auriage is a star located in the Auriga constellation. It is also known as Haedus or Hoedus II.
Eta Auriage (Eta Aur) is the bright blue-white star in the middle of the image. It is listed in SIMBAD as a high proper motion star and has a spectral type B3V. Visually, it is observed to be a bright white star and it is one of the primary stars in the constellation.

Eta Aurigae is magnitude 3.18 and is visible to the naked eye. A telescope is not required to view this star. The star is 63.1445 parsecs from us which means it is roughly 205.9498 light years away. This makes it one of the closer stars to us relative to most other stars in our galaxy.

There is a bit of a light flare shown coming off the lower left side of the star. This is not a property of the star, it is a problem with the equipment. It seems that that there was a very slight smudge left on the lens after a hasty cleaning a few nights earlier.

The smudge was invisible when imaging fainter things but it showed up on brighter stars like this image of Eta Auriga. I've since re-cleaned the scope and this problem is now fixed. But there is no easy way to process something like this out of the data. So, the image stays as-is until I re-acquire the data. And given my track record so far in these things, that will probably never happen.

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