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Old 26-04-2020, 11:31 AM
topheart
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Retina Nebula

A rendition of the Retina nebula (IC4406).

My retina seems to have come out a bit different to other versions.
Perhaps I have over sharpened the data. There is a very high dynamic range in this object that I have compressed.

This is a LRGB version. I will proceed with utilising the Ha O3 data now.

https://savannahskies.smugmug.com/Nebula/i-g7H4FzR/A

Regards,
Tim
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  #2  
Old 28-04-2020, 05:49 PM
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rustigsmed (Russell)
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nice one Tim, always like seeing big aperture put to good use on planetaries!

Russ
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Old 28-04-2020, 08:18 PM
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gregbradley
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You are coming up with some new objects here Tim.

I don't think I have seen this one before. Very bright and colourful.

Greg.
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Old 29-04-2020, 02:42 PM
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multiweb (Marc)
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That's a very cool pic Tim.
What's your field size?
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Old 29-04-2020, 03:23 PM
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Quote:
Originally Posted by multiweb View Post
That's a very cool pic Tim.
What's your field size?
Thanks Marc!
The Classical Cassegrain has a 4.7metre focal length and this gives a field of view of only 26arcmin x 26 arcmin at 0.39 arcsec/pixel unbinned.
Cheers,
Tim


Quote:
Originally Posted by gregbradley View Post
You are coming up with some new objects here Tim.

I don't think I have seen this one before. Very bright and colourful.

Greg.

Thanks very much Greg!
It's pretty small, but I don't really know why there aren't many images of this one, perhaps imaging with a webcam type of camera, like for a planet might give better results?
Cheers,
Tim

Quote:
Originally Posted by rustigsmed View Post
nice one Tim, always like seeing big aperture put to good use on planetaries!

Russ
Thanks very much Russ!
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  #6  
Old 14-05-2020, 01:28 AM
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strongmanmike (Michael)
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That came out very well Tim, it has pretty fine details this one I Look forward to seeing the alternative palette.

Be good to have a squizz at this baby through your 24" dob at high power

Mike
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  #7  
Old 15-05-2020, 09:18 AM
topheart
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Yes Mike!!
I'll put it on the dob's observing list!!

Cheers,
Tim
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Old 15-05-2020, 02:09 PM
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Retrograde (Pete)
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Cool object Tim. Never seen it before!
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Old 15-05-2020, 10:53 PM
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A fine PN Tim and worthy of much praise. Thank you for sharing.
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