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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial
Thread started 23 Dec 2017 (Saturday) 18:02
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My first LRGB image ever ..... M42

 
Tareq
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Post has been edited 28 days ago by Tareq.
Dec 23, 2017 18:02 |  #1

Finally, i managed to get the colors, WOW, this is really a hard time for me now so i have to work harder to improve more.


Here is what i did by myself with quick stacking and processing, not that much good as i am not yet learning about processing good.

IMAGE: https://scontent.ffjr1-4.fna.fbcdn.net/v/t1.0-9/25498189_1924513367859321_4130938756027761093_n.jpg?_nc_fx=ffjr1-4&oh=b7d891aaf03c38b5548aea527462a9d9&oe=5AC58A9F


Then a generous member did play with my stacked files and he did a really amazing great job, here

IMAGE: https://scontent.ffjr1-1.fna.fbcdn.net/v/t1.0-9/25507695_10212706577634181_2546060894737726185_n.jpg?_nc_fx=ffjr1-4&oh=e886d53ea19e6b8ecdc04400be5816dc&oe=5ABDCD9E

I took his image and cleaned it a bit and enhanced the color, maybe some don't like it, but i like it more with my tiny enhancement

IMAGE: https://scontent.ffjr1-2.fna.fbcdn.net/v/t1.0-9/25994822_1924560174521307_7582101813356625952_n.jpg?_nc_fx=ffjr1-4&oh=b733cf2718596f9e453fb8363fa6823d&oe=5AC555E2


What do you think for my first one?


Here is the link for the stacked files:
https://drive.google.c​om ...rdH_n62VYzlKfK_haYG​qMY_6H (external link)

And here is his aligned file
https://www.dropbox.co​m ...skuyjv/align_M42.zi​p?dl=0 (external link)

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Pagman
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Dec 23, 2017 20:52 |  #2

Very nice just shows whats achievable with patience and keep trying, I am in the same boat - just a beginner still learning.

P.


Nikon D7100, Nikkor 300 f4 IF ED :-)

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Tareq
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Dec 24, 2017 07:39 |  #3

Pagman wrote in post #18525081 (external link)
Very nice just shows whats achievable with patience and keep trying, I am in the same boat - just a beginner still learning.

P.

Thank you very much!

Indeed, patience, learning, practicing, all will help into this field, and most important is to enjoy what we are doing and not giving up.


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Tareq
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Dec 25, 2017 21:45 |  #4

The equipment used here:

Mount: Skywatcher AZ-EQ6

Scope: Skywatcher StarTravel 80mm [ST80]

Camera: QHY163M

Filters: C.O. LUX-Series LRGB 36mm

Filter wheel: QHY-Medium-UltraSlim

Exposure time: 20 x 1sec for each LRGB

Software for acquisition: SGPro

Software for stacking: i used DeepSpaceStacker [DSS], don't know the software another person did use.

Software for processing: I used Photoshop only here, also not sure what the person did use.


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Bassat
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Dec 25, 2017 23:47 |  #5

What is LRGB?


Tom

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Roy ­ A. ­ Rust
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Post has been edited 26 days ago by Roy A. Rust with reason 'Add comment'.
Dec 26, 2017 00:52 |  #6

Bassat wrote in post #18526261 (external link)
What is LRGB?

Luminance (IR Cutoff), Red, Green, Blue filters that fit into a wheel to produce color images with a monochrome sensor.

(BTW... I never heard of it either, so I looked it up.)




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Tareq
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Dec 26, 2017 02:45 |  #7

That is correct, those filters are to produce colorful with details images when using a mono camera, mono camera is way to go in astrophotography, filters will give full access to colors in sensor than having bayered sensor with R = 1/4 and B = 1/4 and Green = 1/2 and not sensitive to IR and not cooled.


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troypiggo
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Dec 26, 2017 22:02 |  #8

Lovely work for first LRGB, especially for such short exposure. 1 second subs can certainly be pushed longer to catch more photons - you should be thinking exposures in terms of minutes, not seconds. Are you guiding, or is this unguided? Guided you'd be doing subs in the order of 5, 10, 15 minutes each. With M42 you'll also need some shorted subs to HDR the bright core around the trapezium. ;)


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Tareq
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Dec 27, 2017 06:00 |  #9

troypiggo wrote in post #18526880 (external link)
Lovely work for first LRGB, especially for such short exposure. 1 second subs can certainly be pushed longer to catch more photons - you should be thinking exposures in terms of minutes, not seconds. Are you guiding, or is this unguided? Guided you'd be doing subs in the order of 5, 10, 15 minutes each. With M42 you'll also need some shorted subs to HDR the bright core around the trapezium. ;)

I know all those, i didn't guide yet but i am planning to do so as soon as possible, also i have exposures at 10 sec and 30 sec or even 1 minute for M42, but all those in mono without filters, even one of them i think i did with Ha for better nebulosity, but that above in this thread was the first time with LRGB,...... WAIT, i did shoot with 10 sec too but i didn't play or upload them yet so that member can play with them and combine them with this 1 sec stacked to see maybe better result.

I have time, i am in process of buying a capable telescope rather than this guide scope as an achro scope, once i buy a true or good APO triplet then you will see what i can do.

Thank you very much :-)


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My first LRGB image ever ..... M42
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