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Astrophotography and Sketching >> CCD Imaging & Processing

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raf1
scholastic sledgehammer
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Reged: 11/18/05

Loc: south Texas
IC1396 - tough target
      #6083912 - 09/16/13 12:58 PM

Weather and the Moon have conspired to terminate data capture on the Elephant Trunk. Processed what I have, but will have to finish at a later date.

IC1396 - Elephant Trunk

As always, comments and suggestions are appreciated.

CS, Ron


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zoran
professor emeritus


Reged: 06/09/06

Loc: Zagreb, Croatia
Re: IC1396 - tough target new [Re: raf1]
      #6085234 - 09/17/13 02:58 AM

It looks like a very good start to me!
It is sharp, detailed and well guided. Some noise is present in darker areas, but an image can always benefit from more exposure time
Regards,
Zoran


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Leonardo70
Pooh-Bah


Reged: 04/16/09

Loc: Turin - Italy
Re: IC1396 - tough target new [Re: zoran]
      #6085236 - 09/17/13 03:01 AM

Very nice Ron... great resolution !!!
Low and mid lights could be raised for better view ...

All the best,
Leo


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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: Leonardo70]
      #6085928 - 09/17/13 12:48 PM

Thank y'all both kindly for taking the time to comment and the encouraging remarks. I took your advice and believe the attached updated image is an improvement.

Zoran, I did work on the noise some at the expense of detail but until I get more data, this is about as far as I can push it. I believe it is a reasonable improvement all things considered.

Leo - you were right that the low and mids needed to be raised. I did that and the image looks better but I may have over lightened it.

Updated Image

Thanks again for taking the time to suggest some much needed improvements.

CS, Ron

Edited by raf1 (09/17/13 03:08 PM)


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blueman
Photon Catcher
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Reged: 07/20/07

Loc: California
Re: IC1396 - tough target new [Re: raf1]
      #6086150 - 09/17/13 02:36 PM

HI Ron,
Looks nice! Just don't push too hard, it only bloats stars though it does bring out faint stuff. More data is better than pushed data. Just a helpful comment."^)
Blueman


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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: blueman]
      #6086228 - 09/17/13 03:19 PM

Hey Floyd - thanks for checking in. I agree that pushing inadequate data is a "no-no". I ran the image through 'Reduce Star Size' in Annie's Astro Actions. I thought that worked well. The "Updated Image" above reflects the change, subtle as it is. If you compare it to the original image I posted, the difference is striking. Thanks again to all for the suggestions - with that, I feel like the image is about as good as it's going to get for now.

CS, Ron

P.S. - I highly recommend Annie's Actions. I used them a lot processing this image and I believe it allowed me to maximize results.


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WhistleStop
Pooh-Bah
*****

Reged: 09/07/07

Loc: Grafton, Ontario
Re: IC1396 - tough target new [Re: raf1]
      #6086290 - 09/17/13 04:01 PM


Excellent job...the high res shows nice round stars. Bright stars might be a little over saturated and therefore won't hold color. When stretching in curves you might lock the white point off before the peak so the curve doesn't push it to saturation.
An image to be proud of.
"Some trunk...some elephant" - to paraphrase Winston.
Cheers
Lynn


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blueman
Photon Catcher
*****

Reged: 07/20/07

Loc: California
Re: IC1396 - tough target new [Re: raf1]
      #6086451 - 09/17/13 05:34 PM

Hi,
Yeah, the image is fine and I certainly am not knocking the result. I know that most understand the repercussions of pushing data, but if you are lacking data there is little choice if you wish to work with it.

Another time you can double the data and then it will really pop!

I use some of Annie's actions at times, including "Reduce Stars Whole Image" but for star bloat control I use "Star Bloat Removal" a free action you can look up. It is more controllable and used with a layer, which it creates, you can really adjust the results.

But I try not to need this of course. But there are times when the stars just puff up.
Blueman
Quote:

Hey Floyd - thanks for checking in. I agree that pushing inadequate data is a "no-no". I ran the image through 'Reduce Star Size' in Annie's Astro Actions. I thought that worked well. The "Updated Image" above reflects the change, subtle as it is. If you compare it to the original image I posted, the difference is striking. Thanks again to all for the suggestions - with that, I feel like the image is about as good as it's going to get for now.

CS, Ron

P.S. - I highly recommend Annie's Actions. I used them a lot processing this image and I believe it allowed me to maximize results.




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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: WhistleStop]
      #6087091 - 09/17/13 11:36 PM

Quote:

When stretching in curves you might lock the white point off before the peak so the curve doesn't push it to saturation.




That's a good tip Lynn - I'll use it next time out.

Thanks, Ron


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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: blueman]
      #6087100 - 09/17/13 11:40 PM

Quote:

.....and I certainly am not knocking the result....




Hey Floyd - no worries, I know you're not being critical. But you do offer some good advice and I appreciate it.

Ron


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Bill W.
Carpal Tunnel
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Reged: 10/09/05

Loc: Western PA, USA
Re: IC1396 - tough target new [Re: raf1]
      #6087764 - 09/18/13 11:12 AM

Looks great Ron! Nice tight stars and the color looks good! IC1396 is definitely a tough target. What kind of equipment are you using? Scope, camera, etc. Did you use a HA filter?

-Bill


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SL63 AMG
scholastic sledgehammer
*****

Reged: 12/21/09

Loc: Williamson, Arizona
Re: IC1396 - tough target new [Re: Bill W.]
      #6088174 - 09/18/13 02:31 PM

Very nice. I like it.

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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: Bill W.]
      #6088407 - 09/18/13 04:42 PM

Quote:

What kind of equipment are you using? Scope, camera, etc. Did you use a HA filter?




Thanks Bill.

Here's the setup:
Deep Sky Instruments RC14C
AP-1200 Mount
Optec 3 Pyxis Rotator
SBIG STL-11000 Camera with STL-FW8 Filter Wheel
Astrodon Gen2 Filters
SBIG AO-L
Astrodon MOAG with SBIG Remote Guide Head

The image consisted of 3 hr Lum; 2 hr Red; 1.5 hr Green; 2 hr Blue. All subs were 13 minutes and unbinned. No Ha. As you can see, probably a little light on total exposure time for this target.

Thanks again for looking. Ron


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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: SL63 AMG]
      #6088415 - 09/18/13 04:47 PM

Thanks, Dave. You have some beautiful work in your Astrobin gallery.

CS, Ron


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totolesbaloches
sage


Reged: 08/22/08

Loc: France
Re: IC1396 - tough target new [Re: raf1]
      #6090424 - 09/19/13 06:03 PM

Very nice , high resolution

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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: totolesbaloches]
      #6090774 - 09/19/13 10:29 PM

Thank you Laurent. You have some wonderful images on your website. Very nice.

Ron


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ollypenrice
super member


Reged: 03/10/09

Loc: South east France
Re: IC1396 - tough target new [Re: raf1]
      #6091063 - 09/20/13 03:46 AM

The best I've ever seen. I love the way you've kept the contrast between the rim of the front and the wider Ha region. So often a less discriminating stretch flattens the dramatic glow of the rim. You've also kept the natural colour.
This is very much what I was aiming for in my own attempt but yours is far finer.

Olly


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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: ollypenrice]
      #6093114 - 09/21/13 10:17 AM

Hi Olly - thanks for the kind words. Overall I'm happy with the image and may eventually add more data. I looked at your SmugMug gallery and your images are beautiful. And SunStarFrance looks like a bit of heaven right here on our little blue marble.

CS, Ron


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Salvopa
member


Reged: 09/20/13

Loc: Palermo - Sicily/Italy
Re: IC1396 - tough target new [Re: raf1]
      #6093195 - 09/21/13 11:05 AM

Really nice Raf
fantastic job!


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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: IC1396 - tough target new [Re: Salvopa]
      #6094151 - 09/21/13 09:45 PM

Thanks Salvopa - you have some fine images in your Astrobin. I really like your narrowband work.

Ron


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