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 Constellation Guide AURIGA

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scopeman

scopeman

Posts : 116
Join date : 2011-08-23

Constellation Guide AURIGA Empty
PostSubject: Constellation Guide AURIGA   Constellation Guide AURIGA EmptyFri Aug 26, 2011 5:31 pm

Auriga - the Charioteer



Pronounced 'Or - Rye - Ger' (I've also heard 'Or - Ree - Ger')



Where to find the constellation



Constellation Guide AURIGA 2lsbf28





Constellation chart



Constellation Guide AURIGA 4fttd0l





Perhaps the most attractive features of Auriga for the beginner with binoculars, or a small-medium scope, are the 3 Messier open clusters M36, M37, M38, and the 'smiley-face' asterism.

There are also quite a few other open clusters in Auriga, and a well-known reflection nebula - the Flaming Star.

Easily found, by locating Capella - one of the brightest stars in the sky, which is circumpolar (it gets low to the North, but doesn't set)
from most of USA and Europe. Look for an 'arc' of stars around Capella -see the locating chart above, to find where it is among other constellations - the consteallation of Auriga looks like a 'stretched' pentagon.

M37, 36 and 38 appear in a line - fairly equally spaced, in the lower part of the diagram above.



M36

Is a loose open cluster of about 60 stars - middle one of the 3 messier clusters - much closer to us than the other two, so it's stars appear brighter. In fact if it were closer to us (about 1/10th distance) it would be as bright and conspicuous as the Pleiades

Constellation Guide AURIGA 2pql45g



M37 and 38 are much bigger than M36, and contain many more stars, but are also much further away, so they appear dimmer, and more diffuse.

It is harder to resolve individual atars in these two, than in M36



M37

Constellation Guide AURIGA 2vuldhg



M38

Constellation Guide AURIGA 43rmxd5



Smiley-Face

Take a close look at the chart of Auriga - near M38 (to the right and below) you can make out the 'smiley-face' asterism of stars.

M38 appears in the position of maybe a 'blush' on the 'cheek' of the face.

Also, a smaller, dimmer open cluster ngc1907 is positioned just below the 'eye' nearest M38 - maybe the face has been crying with laughter, and ngc1907 is a tear???



Flaming Star nebula

IC405 as it is known in professional catalogues

Is a reflection nebula, the light comes from a star called AE Auriga, within the nebulosity - the nebula envelopes the star, giving the appearance (photographically) the the star is ablaze

Constellation Guide AURIGA 4dfec02

The nebula is quite faint though - expect to require plenty of aperture,along with a good dark sky, and possibly a nebula filter, to see it visually.



Collinder (Cr) 62

A large open cluster with only a few members compared to the Messier clusters. It wasn't listed by Messier because it didn't appear 'fuzzy' in his telescopes (Messier was a comet-hunter, and his list of fuzzies was originally intended to avoid him confusing comets with other non-cometary objects - only fuzzy objects made his list)



The other NGC open clusters marked on the map are either faint, small, or both - some will be a real challenge to a beginner





Auriga NGCs (with magnitudes) - from my own "1200 Northern NGCs" list

For those with 'GoTo' or a good chart

1664 - OC - 7.6

1778 - OC - 7.7

1857 - OC - 7

1893 - OC - 7.5 (IC410)

1907 - OC - 8.2

1912 - OC - 6.4 (M38)

1960 - OC - 6 (M36)

2099 - OC - 5.6 (M37)

2281 - OC - 5.4
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astrolover

astrolover

Posts : 95
Join date : 2011-08-23
Age : 31

Constellation Guide AURIGA Empty
PostSubject: Re: Constellation Guide AURIGA   Constellation Guide AURIGA EmptyFri Aug 26, 2011 6:09 pm

wowzers thats some typing and research there
full marks mate. Very Happy Very Happy Very Happy a great help
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scopeman

scopeman

Posts : 116
Join date : 2011-08-23

Constellation Guide AURIGA Empty
PostSubject: Re: Constellation Guide AURIGA   Constellation Guide AURIGA EmptyFri Aug 26, 2011 6:10 pm

Thanks

There's a lot more to Auriga than just those bits I mentioned - but I'm aiming these at the beginner - so don't want to make them look too 'fussy'
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TomK

TomK

Posts : 58
Join date : 2011-08-23

Constellation Guide AURIGA Empty
PostSubject: Re: Constellation Guide AURIGA   Constellation Guide AURIGA EmptyFri Aug 26, 2011 6:10 pm

As a beginner, I know I appreciate it and will be printing this off so that I can use it later.

Thanks!!
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Chris_H



Posts : 3
Join date : 2011-08-24

Constellation Guide AURIGA Empty
PostSubject: Re: Constellation Guide AURIGA   Constellation Guide AURIGA EmptyFri Aug 26, 2011 6:12 pm

thanks for the detail on Auriga. I managed to work out where Auriga was the other night, and I think (using averted vision...) That I found M36, M37 and M38 through my Bino's... Need to try and figure out where the smiley face is.
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