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Data, Data, Data... [FITS Provided, Lots of them!]

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#51 rockstarbill

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Posted 26 January 2018 - 01:24 PM

Here's my attempt at the Crescent:

 

get.jpg?insecure

 

I applied an RGB mapping with PixelMath:
R=Ha
G=0.65*OIII+0.35*Ha
B=0.8*OIII+0.2*Ha

Processing was limited to ABE, Adaptive Stretch, Histogram Transformation and Curves Transformation.

Nicely done. waytogo.gif



#52 RDBeck

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Posted 26 January 2018 - 08:54 PM

North American Nebula in SHO

 

get.jpg?insecure

 

Straight SHO to RGB using PixelMath followed by ABE, Masked Stretch, Histogram Transformation and Curves Transformation


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#53 bmhjr

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Posted 27 January 2018 - 12:09 AM

Bill, I could only dream of data this good someday.  The Pelican is amazing.  Here is my version from Pixinsight.

 

- Processed SII, Ha, OIII with ABE, MMT for noise, and then removed stars.

- Stretched each with HST and then combined with SHO-AIP to create starless color image

- Stretched Ha with stars and then adjusted curves to create a Luminance

- Combined Ha Luminance with SHO Color

- Tweaked with Selective Color in Photoshop

- Final touch of LHE in Pixinsight

 

Thanks

Bill

 

get.jpg?insecure

 

 

Attached Thumbnails

  • Pelican_rockstar_sm.jpg

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#54 Arringar

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Posted 27 January 2018 - 01:36 AM

This thread is dangerous. I’m afraid I’m going to catch Tak fever.
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#55 TareqPhoto

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Posted 27 January 2018 - 07:03 AM

This thread is dangerous. I’m afraid I’m going to catch Tak fever.

It is, so my only treatment now is when i get the "cheap" scope then i try to get data as good or closer to those so it will make me away from TAK fever for a while, dunno how long the treatment will last lol.gif grin.gif



#56 rockstarbill

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Posted 27 January 2018 - 01:42 PM

Bill, I could only dream of data this good someday.  The Pelican is amazing.  Here is my version from Pixinsight.

 

- Processed SII, Ha, OIII with ABE, MMT for noise, and then removed stars.

- Stretched each with HST and then combined with SHO-AIP to create starless color image

- Stretched Ha with stars and then adjusted curves to create a Luminance

- Combined Ha Luminance with SHO Color

- Tweaked with Selective Color in Photoshop

- Final touch of LHE in Pixinsight

 

Thanks

Bill

 

get.jpg?insecure

Thanks, yeah the Pelican and the Cygnus Wall data just comes out good largely because of how bright those objects are in comparison to others. I shot the data in the summer, when Cygnus basically passes overhead and I have maximum amount of time shooting it very high in the sky. I do plan to try both of these again this summer and compare the results of the QSI690 and the ASI183MM Pro. 

 

This thread is dangerous. I’m afraid I’m going to catch Tak fever.

Well, Tak scopes are certainly nice. The one thing worth warning people about is that while the FSQ106ED is a pretty killer scope, it can have collimation issues, even brand new ones. I had TNR fix mine, and they did a wonderful job. All of this data was taken before the fix though, so if you pixel peep enough at the individual subs, you will see some oddities. The finished post-processed product normally looks pretty cleaned up though.

 

So if you do catch Tak fever, catch used Tak fever. Brand new, the prices here in the states are a bit excessive.


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#57 bmhjr

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Posted 28 January 2018 - 02:59 AM

Bill, The Elephant Trunk is great data.  I only did ABE on the Ha and stretched it for the Luminance (no noise reduction).  I removed stars for Ha and Oiii and did a little smoothing and then combined for HOO image.

 

Thanks,

Bill

 

get.jpg?insecure

 

 

 

Attached Thumbnails

  • Elephant_Trunk_rockstar_sm.jpg

Edited by bmhjr, 28 January 2018 - 03:09 AM.

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#58 rockstarbill

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Posted 28 January 2018 - 03:08 AM

Great job, Bill! Love this rendition of the Trunk. Came out perfect, IMO. Only improvement would be if I had some RGB stars to use! Sadly I dont this time, will next time. :) 


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#59 bmhjr

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Posted 28 January 2018 - 03:10 AM

Great job, Bill! Love this rendition of the Trunk. Came out perfect, IMO. Only improvement would be if I had some RGB stars to use! Sadly I dont this time, will next time. smile.gif

Thanks Bill, the HOO is a little different nut to crack.  I learned a lot.


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#60 RDBeck

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Posted 28 January 2018 - 03:43 PM

Here's my take on the Bubble Nebula

 

get.jpg?insecure

 

I have struggled to get this and still am not sure what I should have done.  I did a linear fit of the OIII to the Ha.  I tried combining linear images and stretching, but this is partially stretched Ha and OIII data combined and then stretched.

 

I appreciate any suggestions.


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#61 RDBeck

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Posted 28 January 2018 - 05:14 PM

Finally, my take on the Elephant Trunk Nebula:

 

get.jpg?insecure

 

I combined stretched Ha and OIII integrations and used PixelMath to combine using

R=Ha

G=0.65*OIII+0.35*Ha

B=0.8*OIII+0.2*Ha

 

The resulting color file was brightened using sequential CurveTransformations


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#62 rockstarbill

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Posted 31 January 2018 - 05:26 PM

Looking good. Persistence pays off when processing Narrowband. I can work on the same piece for days on end until I get it just right. 



#63 Expediteplanb

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Posted 01 February 2018 - 08:39 PM

whk868.jpg

 

Photoshop CC; screen mask inverts on all three layers; minimum for stars; masks for deconvolution, contrast and selective color layers. 

 

Thanks for sharing your data! Processing this was fun! 


Edited by Expediteplanb, 01 February 2018 - 09:09 PM.

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#64 EverettQ

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Posted 02 February 2018 - 12:50 PM

https://everettquebr...-pacman-nebula/

 

PixInsight + Photoshop CC 2018

 

0245f8f1-0b4c-4b4a-8cb7-c61f59a94122-151

 

https://www.astrobin.../full/331909/0/


Edited by EverettQ, 02 February 2018 - 12:51 PM.

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#65 gilbertgrape87

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Posted 02 February 2018 - 08:38 PM

This is fun!

 

Between a bright moon and red/white skies, this is a perfect opportunity to learn.

 

I've only ever shot in color, so this is my first time ever processing anything with separate channels. I can't figure out how to get rid of that weird splotch in the lower left portion of the picture, I'm pretty sure it's from O3 channel.

 

Thanks!

 

Gilbert

Attached Thumbnails

  • Rev0.jpg

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#66 bmhjr

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Posted 03 February 2018 - 04:09 AM

Here is my version for the Pacman.  Thanks for the data.

 

Bill

 

get.jpg?insecure

 

 

Attached Thumbnails

  • Pacman_rockstar_sm.jpg

Edited by bmhjr, 03 February 2018 - 04:39 AM.

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#67 Bretw01

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Posted 03 February 2018 - 10:12 PM

My version of your excellent crescent data :

 

Used PixInsight and because I like the color that RDBeck got I used his pixelmath formula. For some reason it came out more of an orangish brown hue. So I did a standard HOO and it came out too red. I wanted something more in the middle of these two so I blended them together in photoshop. Then applied the Ha as luminance.

 

HOO_Lw.jpg


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#68 RDBeck

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Posted 05 February 2018 - 06:10 PM

My take on the PacMan Nebula

 

get.jpg?insecure

 

Combination was SHO using LRGB (no L) followed by SCNR to remove green and a series of CurvesTransformations.


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#69 Paulyman

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Posted 06 February 2018 - 11:09 PM

Hi all,

 

I don't have an imaging rig at this point and probably won't for at least the next 12 months. I saw that Bill very generously provided his data and so I thought while I was waiting I may as well try and learn the processing side of things. So I downloaded the trial version of PixInsight to see if I can make heads or tails of it using Bills data. I downloaded the Elephant Trunk data, opened PI and the LightVortex tutorials and here is the result.

 

I worked through integration, DBE, aligning and running a linear fit to the Ha channel. Then I combined using PixelMath and ran two iterations of an ArcSinh stretch. Haven't got to noise reduction at this point, just taking baby steps.

 

get.jpg?insecure

 

Cheers,

 

Paul


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#70 bmhjr

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Posted 10 February 2018 - 12:48 AM

Took another stab at the Pacman.  

 

Thanks,

Bill

 

get.jpg?insecure

 

 

Attached Thumbnails

  • Pacman_rockstar_v2_sm.jpg

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#71 Paulyman

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Posted 10 February 2018 - 06:44 AM

Had a go at the Pacman data today, I think I am getting my head around the first few tutorials on LightVortex. Doubt I could do even a third of it on my own, I think I'll need them as a guide for the near future at least. As well as integration, registration and DBE, today I added in some noise reduction and had a play around with PixelMath.

 

get.jpg?insecure


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#72 abrock5

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Posted 13 February 2018 - 09:37 AM

Wow, this is incredibly generous and helpful!  I've started on the Pelican, but haven't combined the images for color yet.  As others have said, the data is beautiful!  I was wondering if you could provide a few more details of capture...mainly number and exposure length of the subs.  I'm working on improving my data acquisition and this gives me something to strive for.  Thanks again!!



#73 rockstarbill

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Posted 13 February 2018 - 01:51 PM

Wow, this is incredibly generous and helpful!  I've started on the Pelican, but haven't combined the images for color yet.  As others have said, the data is beautiful!  I was wondering if you could provide a few more details of capture...mainly number and exposure length of the subs.  I'm working on improving my data acquisition and this gives me something to strive for.  Thanks again!!

HA: 40 x 5mins
OIII: 50 x 5 mins
SII: 60 x 5 mins

 

This was with the FSQ106 and the 0.73x Reducer, so F3.6 387mm.


Edited by rockstarbill, 13 February 2018 - 01:52 PM.

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#74 bmhjr

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Posted 13 February 2018 - 02:20 PM

 

Wow, this is incredibly generous and helpful!  I've started on the Pelican, but haven't combined the images for color yet.  As others have said, the data is beautiful!  I was wondering if you could provide a few more details of capture...mainly number and exposure length of the subs.  I'm working on improving my data acquisition and this gives me something to strive for.  Thanks again!!

HA: 40 x 5mins
OIII: 50 x 5 mins
SII: 60 x 5 mins

 

This was with the FSQ106 and the 0.73x Reducer, so F3.6 387mm.

 

Was it the QSI camera?



#75 rockstarbill

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Posted 13 February 2018 - 02:26 PM

 

 

Wow, this is incredibly generous and helpful!  I've started on the Pelican, but haven't combined the images for color yet.  As others have said, the data is beautiful!  I was wondering if you could provide a few more details of capture...mainly number and exposure length of the subs.  I'm working on improving my data acquisition and this gives me something to strive for.  Thanks again!!

HA: 40 x 5mins
OIII: 50 x 5 mins
SII: 60 x 5 mins

 

This was with the FSQ106 and the 0.73x Reducer, so F3.6 387mm.

 

Was it the QSI camera?

 

Yep, QSI690 was the camera I used. The WSG8 model.


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