Super distorted galaxy NGC1316

[gregbradley]

This galaxy is huge and its heavily distorted.

CDK 17 FLI ML16.

https://pbase.com/image/168843238/large

Greg.

[Peter Ward]

Very nicely done, and certainly an intriguing object. :thumbsup: ....but the caption reads LRGB...yet it looks like L only. Colour still to come?

[Stevec35]

That's a nice NGC 1316 Greg although it looks a bit monochrome. There are lots of nice dust lanes at the centre that you could probably work on to get them to stand out a bit better.

Steve

[Andy01]

Wow! Nice one - Havn't seen that one before - sure is some cool stuff up there :thumbsup:

Just this morning I was chatting with an astrophysicist about Hoag's object - Wonder if you or Peter W or any of the other long FL users here have had a crack at that one? :question:

Cheers

[gregbradley]

Yes it is quite monochrome. I only got 1 red sub which isn't helping but the galaxy itself doesn't seem to have any colour. I looked at other examples.
Boosting saturation did not do anything either. But I was happy to get the shell structure and large extent of this galaxy. Its quite enormous really.

Next time I will try to get some more RGB and add to it.



Thanks Steve. Yes its quite lacking colour not that this galaxy has much. There might be some more detail I could bring out in the core but not a lot more than shown.




Thanks Andy. Does Hoag's object have an NGC number? I think I may have seen an image of that just last night if its the same one. Its a red nebula with a blue O111 type semi rectangle in the middle of it?

Greg.

[Andy01]

pgc 54559 :)

[gregbradley]

It looks pretty small. I'll do a 10minute sub next time out and see if it shows up.


Is it up at the moment?

Greg.

[Andy01]

I believe it's in Serpens, so maybe mid-year?

A

[Placidus]

A beautiful image of a fascinating but less commonly imaged object.

It seems from our reading that it's in the same camp as NGC 5128: an elliptical swallowing a spiral, hence the general lack of shape but some twisty dust lanes. A difference is that the Hamburger has lots of bright blue star formation but the Hubble shot of this one doesn't show that. A gentler galaxy crash!

Excellent work.

[gregbradley]

Cheers Andy. I'll check it out later in the year then but I suspect its very small.



Thanks M and T.

[Paul Haese]

Good start Greg, but you can get good colour and detail (http://paulhaese.net/NGC1316.html)out of both galaxies. I spent a bit of time on this galaxy but needed a better guide star position. I may go over it again one day in the future.

[gregbradley]

Oh yes, that does show a lot of colour. I'll get more rgb data and add to it later on. I mainly wanted to image this galaxy again to show the extended distorted bits which came up well in the luminance but more colour is needed for sure.

Greg.

[gregbradley]

Oh goody, I found some colour data I had from a few years ago.

Plenty of colour now!

Same link:

https://pbase.com/gregbradley/image/168843238/large

Its close to double the exposure time now.

Greg.

[Geoff45]

Interesting object, well captured and processed. Good one Greg.

[gregbradley]

Thanks Geoff.

I am glad I was able to use the earlier data to bring it to life, it had the detail but not the colour before. The advantages of keeping a library of your past images and the power of RegiStar to make it all compatible.

Greg.

[alpal]

Hi Greg,
that's a great capture.
It's the kind of target that could do with larger exposure time
as it's at Mag 9.
Paul is probably on the money with 18 hours.


cheers
Allan

[gregbradley]

Yes it certainly could. More is always better. Practicalities though get in the way!

Greg.

[alocky]

It's a fascinating object and that 17" of yours sure looks like it's delivering nice data. One question - looking closely at your original and updated versions, it seems as if the registration step has gone awry and there's a bit of a mismatch in the data before integrating. There's a nice small spiral and a lot of moderate brightness stars below and slightly left that appear to be repeated.
Either that or my eyes are really that bad...
cheers,
Andrew.

[topheart]

Hi Greg,
A very interesting object!
Well done!
Cheers,
Tim

[gregbradley]

Thanks Andrew. Oh dear I think that is an error when using Registar. I aligned an older image that has good colour with the current data which lacks colour. Something missed but just in that area. Weird. I can redo it as it was late in the processing.

Its now fixed. Thanks for the tip.



Thanks Tim.

Its one of the more interesting southern galaxies.

Greg.