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  1. #1
    Jazza11's Avatar
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    Default Sombrero galaxy Help!!!



    I really want to find the sombrero galaxy i tried to star hop from a star in convus but i had no lucky does anyone know a site that has star charts i tried stellarium it did'nt help much so i wanted to try star charts so does anyone know any site with charts for the Sombrero in detail or if someone can explain how to find it in words that would help to Please Help!!!

    Jazz

  2. #2
    trevorw's Avatar
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    Sombero rises in the North East in the constellation Virgo

    It's visual mag is 9 so it will be dim

    Constellation Virgo[3]
    Right ascension 12h 39m 59.4s[4]
    Declination -11° 37′ 23″[4]
    Apparent dimension (V) 8′.7 × 3′.5[4]
    Apparent magnitude (V) 8.98[4]
    Characteristics
    Type SA(s)a[4]; LINER[4]
    Astrometry
    Helio Radial velocity 1024 ± 5 [4] km/s
    Redshift 0.003416 ± 0.000017 [4]
    Galactocentric Velocity 904 ± 7 [4] km/s
    Distance 29.3 ± 1.6 Mly (9.0 ± 0.49 Mpc)
    Other designations
    Messier 104,[4] NGC 4594,[4] PGC 42407,[4] UGCA 293[4]

    I'm surprised you can't find it in Stellarium

  3. #3
    Jazza11's Avatar
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    I can find it in stellarium lol i just cant find it in my telescope ive tried using stellarium and i still had no luck

  4. #4
    trevorw's Avatar
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    If you can find it in Stellerium then try star hopping. Line Virgo up in your finder

    create a mask equivalent to your view through an EP, print off the page in Stellarium to roughly the same scale you see through your EP and use the two as a guide to find the object

    It's a lot of trial and error but yo'll get there

    PS: how big is your scope again

    Cheers

  5. #5
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    If you down load Cartes Du Ciel you will be able to print star charts to take out with you.

  6. #6
    Jazza11's Avatar
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    Quote Originally Posted by trevorw View Post
    PS: how big is your scope again
    My scope is a 10"

  7. #7
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    A 10" scope should show thw Sombrero without too much trouble.

    I can even spot it with 70mm binocs, through the moderate light-pollution I have at home.
    Admittedly, in the binocs it is rather under-whelming - looks a bit like an out-of-focus, and elongated star.
    With an 8" or 10" scope though, you should be able to make out the overall shape, and see the prominent dust lane across it.
    It is rather small though, and probably fainter than you imagine.

    here's how I star-hop to it.....

    Bear in mind, my pics have been created from a Northern-Hemisphere viewpoint - In the South you'll have mentally to flip them over.
    Or if you use a Newtonian, you may not need to flip them - LOL

    I start from Spica in Virgo - because it's very bright, and easy to find.
    Then head West, across bright-ish stars 49, and Psi Virginis - 49 and Psi both have fainter companions, so they are botyh little pairings
    Then find a 'triangle' of Psi, Chi, and 21.
    North-ish from that triangle, is a fainter star, 25 Virg.
    If you make an imaginary 'skewer' through 25 and Chi, and extend to a 5th mag star in Corvus near the border - that line passes right by the Sombrero (M104) which is inside the green ring on my pic
    *Note - there are many more stars in the field, but the ones in the pic are the more prominent ones, and are easy to 'follow' in an optical finderscope.





    When you get in the vicinity of M104
    Go North-West from that 5th mag star in Corvus - to find a small flattened triangle (actually, there's 4 stars there, one of the 3 has a fainter star close-in to it)
    Make a 90° left-turn at this triangle, and continue to a little line of 3 stars of 7th to 8th magnitude. (4 stars again, the brighter one has a faint companion)
    These 3 point pretty-much straight at M104 - in the direction from brightest, to faintest - and on to the Sombrero.




    Hope that helped
    Good Luck

    Oh - and don't expect too much from the Sombrero visually - you'll see the main features, but nowhere near as spectacular as the popular Hubble pics that are all over the internet.

    Carlos
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  8. The Following 7 Users Say Thank You to Carlos_dfc For This Useful Post:

    dhvrs (12-02-2009),DizzyGazer (04-16-2009),Jazza11 (04-17-2009),lamphater (06-24-2009),MarkM (04-17-2009),powerwindows1985 (04-16-2009),RussL (04-16-2009)

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    Jazz, you should be able to see it if I can. I'm in a red zone, but I've seen it more than once in my 8" SCT. Pretty darn dim, though. I could see where the dust lane begins, but couldn't see the glow below it.

    Another thing nearby is a triangle within a triangle. Small little groupr of something like 7th mag stars. I heard someone call it "The Stargate." Somehow they used it as a guide. Best I could do was get in the vicinity at 51x and scan around. Haven't tried it with the ST80 yet.

    Good luck.

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    Quote Originally Posted by RussL View Post
    Another thing nearby is a triangle within a triangle. Small little groupr of something like 7th mag stars. I heard someone call it "The Stargate." Somehow they used it as a guide.
    Yep Russ

    That's the little triangle that I mention in my 2nd picture above.
    There's 3, or maybe 4, prominent stars at low power.

    Go up to medium power though, and it looks like this....





    ( all pics generated using 'Starry Night pro 5' )
    Last edited by Carlos_dfc; 04-16-2009 at 08:34 PM.
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  11. #10
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    Quote Originally Posted by RussL View Post
    I could see where the dust lane begins, but couldn't see the glow below it.
    Good luck.
    Visually in my telescope the glow below the dust lane from a northern hemisphere perspective is much dimmer than the glow above. In photographs the upper and lower glows appear to be more similar to each other.

 

 
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