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Old 30-03-2017, 10:31 AM
Stevec35 (Steve)
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IC 3104 - galaxy with dust

This is another one from the faint and rarely imaged catalog. IC 3104 is probably one of the least photogenic galaxies I've ever imaged but also the furthest south at -80. There is a lot of dust (integrated flux nebula) in the neighborhood. It's taken a fair time to get all the data given the patchy weather lately.

Cheers

Steve

http://members.pcug.org.au/~stevec/i...16200_RC14.htm
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Old 30-03-2017, 03:31 PM
Stevec35 (Steve)
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For anyone interested I just uploaded a version that shows the dust much more clearly.

Cheers

Steve
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Old 30-03-2017, 03:51 PM
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Atmos (Colin)
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I can see what you mean by unphotogenic galaxy, not a lot of anything going on in it.
You have picked up a lot of the IFN though, nicely done
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Old 30-03-2017, 06:29 PM
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There's no such thing as an ugly galaxy Nice to see something off the beaten path, Steve! Might be an interesting area for a wide field too with all that dust.
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Old 30-03-2017, 06:45 PM
Placidus (Mike and Trish)
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Wow!

The integrated flux nebulosity is magnificent.

The galaxy itself is fascinating. It looks like a Magellanic or irregular dwarf galaxy, with clumpy blue star-forming regions, buried inside a near-featureless elliptical. I expect that's a rubbish explanation, because the scale would be all wrong. It would have to be a very small elliptical or a very big dwarf! Would love to know what's really happening.

No field rotation at only 10 degrees from the pole. Nice colours too.

Best,
Mike
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Old 30-03-2017, 07:27 PM
Stevec35 (Steve)
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Quote:
Originally Posted by Atmos View Post
I can see what you mean by unphotogenic galaxy, not a lot of anything going on in it.
You have picked up a lot of the IFN though, nicely done
Thanks Colin

Quote:
Originally Posted by RickS View Post
There's no such thing as an ugly galaxy Nice to see something off the beaten path, Steve! Might be an interesting area for a wide field too with all that dust.
Thanks Rick. Not ugly perhaps but some galaxies look more interesting. I think the IFN makes up for any problem though.

Here's a wide field with a FSQ106 that I discovered today:

https://www.astrobin.com/full/284826/0/

Quote:
Originally Posted by Placidus View Post
Wow!

The integrated flux nebulosity is magnificent.

The galaxy itself is fascinating. It looks like a Magellanic or irregular dwarf galaxy, with clumpy blue star-forming regions, buried inside a near-featureless elliptical. I expect that's a rubbish explanation, because the scale would be all wrong. It would have to be a very small elliptical or a very big dwarf! Would love to know what's really happening.

No field rotation at only 10 degrees from the pole. Nice colours too.

Best,
Mike
Thanks M&T. As usual with some of my objects it's hard to find much about them. This link does say a bit:

https://www.astrobin.com/284826/0/

My UK colleague who suggested I image this wants me to take some Ha but I can't see that showing much.
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Old 30-03-2017, 07:52 PM
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Quote:
Originally Posted by Stevec35 View Post
Here's a wide field with a FSQ106 that I discovered today:

https://www.astrobin.com/full/284826/0/
Thanks, Steve. That's a great IFN shot. Gerald (Oldwexi) is a long way from home
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  #8  
Old 30-03-2017, 11:11 PM
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strongmanmike (Michael)
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Quote:
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IC 3104 is probably one of the least photogenic galaxies I've ever imaged
Yeah bit of a nondescript smudgy bugger but with the galactic cirrus it all makes for an interesting scene none the less ...and imaging at 80 deg S makes it more cool

Mike
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Old 31-03-2017, 12:04 AM
Stevec35 (Steve)
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Originally Posted by strongmanmike View Post
Yeah bit of a nondescript smudgy bugger but with the galactic cirrus it all makes for an interesting scene none the less ...and imaging at 80 deg S makes it more cool

Mike
Thanks Mike. Polarissima Australis would be pushing it I guess so I don't think I'll be going further south.
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Old 31-03-2017, 12:10 PM
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Shiraz (Ray)
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really nice work Steve - the extra stretch gives a nice glow to the IFN. have been doing some imaging at -78deg lately - its is interesting to say the least and your results are excellent for that altitude.
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  #11  
Old 31-03-2017, 05:11 PM
Stevec35 (Steve)
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really nice work Steve - the extra stretch gives a nice glow to the IFN. have been doing some imaging at -78deg lately - its is interesting to say the least and your results are excellent for that altitude.
Thanks Ray. Appreciate your comments.
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