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Old 23-02-2011, 08:52 PM
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John Hothersall
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Hi-Res Homunculus Nebula

SPX350 F19.5+F30.6, Mintron12V6 (GStar-Ex), Astrodon filters.

Impressed with SkyVikings image of this supermassive star which erupted in 1843 and should have gone supernova but instead remained variable with a double cloud which we now see. Mass of this star is 100-150 solar masses and one of the largest mass stars in the galaxy known.

Used a TVx3 Barlow and then a 5xPowermate above roof and the 5xPowermate had issues with heat over roof but red turned out well with Ha. The TVx3 had no such isssues taken a night earlier.

F19.5 was 2000 x 0.24sec exposure for R and 1000 each for G B Ha.
F30.6 was 1000 x 0.32sec exposure for R G B and 350 x 2.56sec for Ha.

Stacked with Registax and processed in CS3.

Thanks, John.
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  #2  
Old 23-02-2011, 09:06 PM
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Astroman (Andrew Wall)
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WOW awesome, brilliant image, thanks for sharing with us.
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  #3  
Old 23-02-2011, 09:07 PM
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Bassnut (Fred)
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f30?, insane, excellent nifty NF, very well done indeed.
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Old 23-02-2011, 09:13 PM
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astroron (Ron)
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JOHN best amateur image of the Homunculus I have ever seen, just brilliant
Cheers

Last edited by astroron; 24-02-2011 at 11:08 AM. Reason: clarety
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  #5  
Old 23-02-2011, 09:21 PM
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[1ponders] (Paul)
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How cool is that.
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Old 23-02-2011, 09:22 PM
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mill (Martin)
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That looks super,well done
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  #7  
Old 23-02-2011, 09:30 PM
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renormalised (Carl)
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Great shots, John
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Old 23-02-2011, 09:51 PM
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Octane (Humayun)
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phw0ar, now that's extreme imaging.

Congratulations.

H
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  #9  
Old 23-02-2011, 10:07 PM
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h0ughy (David)
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congratulations on a fine result
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  #10  
Old 23-02-2011, 10:16 PM
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irwjager (Ivo)
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That's just plain awesome. Would love to see this one become IOTW!
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  #11  
Old 23-02-2011, 10:17 PM
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DavidU (Dave)
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A major result there John ! Kicking more goals.
Well done
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  #12  
Old 23-02-2011, 10:42 PM
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strongmanmike (Michael)
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Nice work John

The long focal length helps with this object huh? bit like planetary imaging really and very seeing dependant.

There is a lot more ejecta and detail to be captured out in the darkness around the Homunculus but this an excellent mimick of the Hubble version, looks great

Mike
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  #13  
Old 23-02-2011, 10:44 PM
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Very nice images John. Heaps of detail, very cool colouring too.
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  #14  
Old 23-02-2011, 10:45 PM
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jjjnettie (Jeanette)
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That is so awesome!!!!!
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  #15  
Old 24-02-2011, 07:31 AM
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tonybarry (Tony)
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Hello John,

That is one impressive result. I don't recognise the scope you used. What is its aperture? and is it a refractor or reflector or SCT?

Regards,
Tony Barry
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  #16  
Old 24-02-2011, 07:40 AM
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iceman (Mike)
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Now that's really great. Well done John!
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  #17  
Old 24-02-2011, 08:03 AM
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Wonderful image John, thanks for the views.
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  #18  
Old 24-02-2011, 09:33 AM
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multiweb (Marc)
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Really well done. Top shelf!
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  #19  
Old 24-02-2011, 09:51 AM
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SkyViking (Rolf)
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Such great work John with impressive details - and glad to hear my image can inspire others to try some extreme high res too.
It looks like you captured some of the fainter ejecta around the nebula as well, awesome. I've been wanting to redo my version of it and hopefully include these fainter areas as well. Your image is definitely inspiring so maybe I'll have another go soon
Thanks for sharing.
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  #20  
Old 24-02-2011, 10:48 AM
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prokyon (Werner Probst)
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Wow, that`s extreme, great work!

Cheers

Werner
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