M42 ( HDR cropped) ...
 
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M42 ( HDR cropped) - My dusty first attempt 🙂  

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(@skanker)
Red Giant Customer
Joined: 3 years ago
Posts: 76
February 19, 2019 17:15  

Hello from Austria!

Here is my latest project 🙂

Canon 6D(a) - Lacerta 72/432 APO - Fornax Lightrack II - Optolong L Pro

Nebula: 49x 120 sec. / F5.9 / ISO 1600

Center: 24x 12 sec. / F5.9 / ISO 1600

M42 FINAL

Full quality:  https://www.astrobin.com/391593/?nc=user

Please give me feedback 😀

CS

Gernot 

 

This topic was modified 3 years ago by Mabula-Admin

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(@charles-thody)
White Dwarf Customer
Joined: 3 years ago
Posts: 13
February 23, 2019 12:36  

Wow! Not sure what else to say! I love the detail...


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(@mabula-admin)
Universe Admin
Joined: 4 years ago
Posts: 2715
February 24, 2019 19:15  

Hi Gernot @skanker,

Great Orion Nebula 😉 !

You have captured a lot of signal here in s hort time, nice job 🙂

Best feedback I can give right now is probably to try and add more data, for only 100 minutes of exposure time this is great, but perhaps with 4-8 hours the quality of the weaker nebulosity will be better as well 😉

Did you create a HDR in Photoshop, or did you let APP integrate the long and short exposures together ?

Cheers,

Mabula


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(@skanker)
Red Giant Customer
Joined: 3 years ago
Posts: 76
February 25, 2019 12:42  

Hello Mabula!

Thank you for your feedback... I'm very happy with the result  🙂

I have created the HDR in Photoshop ( layering two stacks made with APP). Does APP support this process?

Cheers

Gernot


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(@mabula-admin)
Universe Admin
Joined: 4 years ago
Posts: 2715
February 25, 2019 23:11  
Posted by: skanker

Hello Mabula!

Thank you for your feedback... I'm very happy with the result  🙂

I have created the HDR in Photoshop ( layering two stacks made with APP). Does APP support this process?

Cheers

Gernot

Hi Gernot @skanker,

You can integrate the different exposure times in APP at the same time, that is no problem and it will give you more depth in the result. Using different integration weights is key here, with star shape weights, you usually get the best protection of the highlight areas for an object like this.

Making a HDR combination like you did in Photoshop is on my ToDo list, so that will come to APP as well.

Kind regards,

Mabula


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(@stastro)
Main Sequence Star Customer
Joined: 2 years ago
Posts: 39
October 9, 2021 11:33  

@mabula-admin

This didn't work for me on Andromeda, unless I am doing something fundamentally wrong.  I have taken subs at 30S, 60S and 90S, but when loading them all up in APP, it produces a session1+2+3 stack which has blown out the core, when I look at each session stack individually, they all look similar, but when I create each stack seperately (Load up, stack, clear, load up stack, clear.....) I get different results, the 30S is not as blown out or as bright as when I process them as three seperate sessions within the same process job


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(@vincent-mod)
Universe Admin
Joined: 4 years ago
Posts: 3813
October 10, 2021 12:46  

So, you did try to set this star-shape option in the integration tab?

starshape

A true HDR, which is likely what you're after is not (yet) available in APP.


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(@mabula-admin)
Universe Admin
Joined: 4 years ago
Posts: 2715
October 10, 2021 20:55  

@stastro, Simon, like Vincent indicate, did you try different integration weights like the star shape ?

Maybe for your data, setup, you need more shorter exposures even. How does the 30s stack look like?

 


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(@stastro)
Main Sequence Star Customer
Joined: 2 years ago
Posts: 39
October 10, 2021 22:17  

Hi @mabula-admin

All three combined (As session 1, 2 and 3) in APP:

image

The three Stacked separately in APP and then HDRComposition performed in PI:

image

Exact same processing steps in both images (Image processing container with same settings) in PixInsight, you can see the first one lacks detail, and has the core blown completely, the 2nd one is much better

 

Regards

Simon


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