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Thread: Announcing the AstronomyForum.net Astrophotography Processing Challenge number 2!

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    Default Announcing the AstronomyForum.net Astrophotography Processing Challenge number 2!



    Announcing the AstronomyForum.net Astrophotography Processing Challenge number 2!


    Everything is pretty much the same as Challenge 1:


    About once a month a new 'Challenge' photo will be made available, these will be announced in a new thread 'stickied at the top of the Astrophotography Processing Forum. Members may click on the link and download the calibrated 16 bit .tif file (Keep in mind these will be very large files so give them some time to download to your computer) These images will be full sized 'pre-processed' images (darks, flats, bias removed and stacked). However now is when the fun kicks in!


    We ask that the members use what ever software they want, GIMP, Photo Shop (or PS Elements), Pixinsite, Images Plus, StarTools, AstroArt, IRIS or whatever your little heart desires to post process the image. Attach the completed image (please post as a .jpg max 1000 x 1000 pixel size) on the same tread and include the methods you used to get to the end result. Please submit your methods with as complete of detail as you can so others will have some idea how you got to the final result.

    ___________________________________________
    Example:


    Click on image for a larger view

    Post processed using Photoshop CS2 with Noel Carboni's actions


    1. levels and curves to bring out DSO

    2. Noel Carboni's plug in "Soft Color Gradient removal"
    3 Set black and white points using levels
    4 Noel Carboni's plug in "Local contract enhancement"
    5 Did some minor cosmetic fixes using PS clone stamp.
    6 Increased saturation using Adam Blocks method. (can give details if you like.
    7 Noel Carboni's plug in "Increase star color"
    8 A final pass of levels and curves, used curves to help pull out the contrast.
    9 Noel Carboni's plug in "Deep Space noise reduction" and a couple of passes with the "Denoise" PS plugin.
    10 PS "Smart Sharpen" tool (Shadow, fade 80%
    Highlight, 20%
    Power, 65%)
    11 Resized to 1000 px max and converted to .jpg.

    _________________________________________________

    Please export your full history from Photoshop, GIMP or similar programs - How To here: How To Document & Post Your Processing Steps from History Photoshop CS, Gimp Software

    The concept is to allow members to share processing techniques and ideas so everyone can learn and improve. The Challenge is open to all so don't feel intimidated as we are all learning. If you see a post and don't understand how a particular process is being done please ask as I'm sure there will be many new methods.


    The plan is only one Challenge image will be used for each thread so it will be easy to see the different results and methods for a particular image. I may be asking some of our accomplished AP er's to contribute a pre-processed image from time to time so we can get some variety.


    Keep in mind we now have a sponsor for the Challenge!

    Ivo from StarTools will be donating a free license for his StarTools software for the best completed Challenge image, one license will be awarded for the best post processed Challenge image from Challenges 1 and 2 so jump in and give it a shot!

    (more details will be posted later).

    In the mean time take a look at the latest Challenge image. I'm not going to tell you what it is, but I will say there is something buried in all that dark sky! The image will have some challenging aspects to it so take your time and pull as much from it as you can.


    And just remember to have fun!!!!!

    Challenge 2 image information:
    Author Information: ghswen
    Location of Capture: Murrieta, Ca / Bortle 6
    Capture Equipment Information: Skywatcher 254N (newtonian) on EQ5p Synscan mount, guided
    Camera Information: Canon 350d modified
    Software Used to Process: Nebulosity 2
    Stacking Information: 10 light frames, 2 mins each ISO1600
    Darks / Flats / Bias : 15 darks (Bad Pixel Master) / 15 Flats / 15 bias


    download here:
    Attached Images Attached Images
    Gordon
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    Here's my effort.

    Using Paint.Net version 3.5.10

    Curves - see screen capture #1
    Saturation: 170
    Saturation: 120 (first time wasn't enough)
    {Begin Synthetic Flat}
    Duplicate Layer
    Rectangle Select, Cut, Paste, Move, Brightness to mask out nebula
    Median Noise: 100 pixels radius, 50%
    Gaussian Blur: 100 pixels radius
    Layer Mode: Difference
    Flatten Image
    {End Synthetic Flat}
    Curves - see screen capture #2
    Attached Images Attached Images
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    And here's mine. Sorry for long post but here's every action taken in PS-CS5


    2012-04-02 20:03:08 Photoshop launched
    Reset Tool Presets of current application
    2012-04-02 20:03:24 File challenge 2 master photo.tif opened
    Open
    challenge 2 master photo.tif
    Levels 1 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: levels
    Preset Kind: Default
    Modify Levels Layer
    Set current adjustment layer
    To: levels
    Preset Kind: Custom
    Adjustment: levels adjustment list
    levels adjustment
    Channel: composite channel
    Input: 49, 255
    Curves 1 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: curves
    Preset Kind: Default
    Modify Curves Layer
    Set current adjustment layer
    To: curves
    Preset Kind: Custom
    Adjustment: curves adjustment list
    curves adjustment
    Channel: green channel
    Curve: point list
    point: 0, 0
    point: 17, 17
    point: 30, 37
    point: 255, 255
    curves adjustment
    Channel: blue channel
    Curve: point list
    point: 0, 0
    point: 17, 17
    point: 32, 40
    point: 255, 255
    Levels 2 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: levels
    Preset Kind: Default
    Modify Levels Layer
    Set current adjustment layer
    To: levels
    Preset Kind: Custom
    Adjustment: levels adjustment list
    levels adjustment
    Channel: composite channel
    Input: 5, 255
    Gamma: 1.05
    Flatten Image
    Flatten Image
    Unsharp Mask
    Unsharp Mask
    Amount: 86%
    Radius: 0.7 pixels
    Threshold: 0
    Match Color
    Match Color
    Luminance: 115
    Color Range: 116
    Fade: 0
    With Apply Target Selection
    With No Reference Image
    Curves 1 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: curves
    Preset Kind: Default
    Modify Curves Layer
    Set current adjustment layer
    To: curves
    Preset Kind: Custom
    Adjustment: curves adjustment list
    curves adjustment
    Channel: red channel
    Curve: point list
    point: 0, 0
    point: 19, 24
    point: 255, 255
    curves adjustment
    Channel: green channel
    Curve: point list
    point: 0, 0
    point: 13, 13
    point: 32, 34
    point: 255, 255
    curves adjustment
    Channel: blue channel
    Curve: point list
    point: 0, 0
    point: 21, 21
    point: 42, 49
    point: 255, 255
    Flatten Image
    Flatten Image
    Lasso
    Set Selection
    To: polygon
    Points: point list
    point: 25.39 cm, 13.22 cm
    point: 25.39 cm, 13.22 cm
    point: 25.18 cm, 13.31 cm
    point: 25.18 cm, 13.31 cm
    point: 25.18 cm, 13.31 cm
    point: 25.18 cm, 13.31 cm
    ...1223 More
    With Anti-alias
    Select Inverse
    Inverse
    GradientXTerminator
    GradientXTerminator
    Density: medium
    Stiffness: medium
    With BalanceColor
    Deselect
    Set Selection
    To: none
    Levels 1 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: levels
    Preset Kind: Default
    Modify Levels Layer
    Set current adjustment layer
    To: levels
    Preset Kind: Custom
    Adjustment: levels adjustment list
    levels adjustment
    Channel: composite channel
    Input: 7, 255
    Curves 1 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: curves
    Preset Kind: Default
    Modify Curves Layer
    Set current adjustment layer
    To: curves
    Preset Kind: Custom
    Adjustment: curves adjustment list
    curves adjustment
    Channel: composite channel
    Curve: point list
    point: 0, 0
    point: 21, 21
    point: 32, 41
    point: 255, 255
    Flatten Image
    Flatten Image
    Play action “Brighten Color & Sharpen” of set “Annie's Astro Actions - v5.0”
    Play action “Space Noise Reduction” of set “Astronomy Tools v1_6”
    Play action “Local Contrast Enhancement” of set “Astronomy Tools v1_6”
    Magic Wand
    Set Selection
    To: 5.64 cm, 8.15 cm
    Tolerance: 10
    With Anti-alias
    Magic Wand
    Set Selection
    To: 4.52 cm, 10.76 cm
    Tolerance: 20
    With Anti-alias
    Lasso
    Subtract From Selection
    Using: polygon
    Points: point list
    point: 25.36 cm, 13.48 cm
    point: 25.36 cm, 13.48 cm
    point: 25.51 cm, 13.44 cm
    point: 25.51 cm, 13.44 cm
    point: 25.51 cm, 13.44 cm
    point: 25.51 cm, 13.44 cm
    ...1049 More
    With Anti-alias
    Lasso
    Subtract From Selection
    Using: polygon
    Points: point list
    point: 24.91 cm, 13.26 cm
    point: 24.91 cm, 13.26 cm
    point: 25 cm, 13.11 cm
    point: 25.01 cm, 13.09 cm
    point: 25.01 cm, 13.09 cm
    point: 25.02 cm, 13.08 cm
    ...1147 More
    With Anti-alias
    GradientXTerminator
    GradientXTerminator
    Density: medium
    Stiffness: low
    With BalanceColor
    Deselect
    Set Selection
    To: none
    Levels 1 Layer
    Make adjustment layer
    Using: adjustment layer
    Type: levels
    Preset Kind: Default
    Modify Levels Layer
    Set current adjustment layer
    To: levels
    Preset Kind: Custom
    Adjustment: levels adjustment list
    levels adjustment
    Channel: composite channel
    Input: 4, 255
    Hide current layer
    Show current layer
    Flatten Image

    Reduce Noise
    Reduce Noise
    Color Noise: 94%
    Sharpen: 9%
    Without Remove JPEG Artifact
    With: Channel Parameters list
    Channel Parameters
    Channel: composite channel
    Strength: 1
    Preserve Details: 69
    Channel Parameters
    Channel: red channel
    Strength: 0
    Channel Parameters
    Channel: green channel
    Strength: 0
    Channel Parameters
    Channel: blue channel
    Strength: 0
    Settings Name: “Default”
    Play action “Make Stars Smaller” of set “Astronomy Tools v1_6”
    2012-04-02 20:36:39 File challenge 2 master photo.png saved
    Save
    As: PNG Format
    Attached Images Attached Images
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    Default

    Thanks Keith!
    It looks like Paint.net is a great option.

    Great job Lonnie!

    By the way this was the first image captured after the modification to the DSLR. You pulled in the colors and dark dust areas very well!
    Congratulations!
    Gordon
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    *** bump ***

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    I'm using PS 6 and looked for history log as decribed, but it didn't work for me. I'll post the image but understand if it will not qualify.
    Open.
    Curves: RGB lazy s curve bottom low.
    Contrast change to 60
    Brightness to 3
    Red channel 10% reduce
    Curves slight upward bow, high end to mid stay.
    Gaussian blur 0.2
    Lightness -10
    Red channel 10% reduce
    unsharp mask 0.5
    Brightness 6
    Contrast 10
    Space noise reducton C tools.
    Gussian blur 0.2
    Level Changes:
    Green from 0 to6
    Red from 0 to3
    Blue from 0 to 9
    Space noise reduction C tools.
    Resize 1000x657 with constraints
    challenge 2 master photo try1.jpg

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    Default

    Not a problem! You have enough detail in your instructions that someone can follow along and ask questions if need be.

    Great job! You've got most of contrast and coloring dialed in. Still some gradient in the upper left. But every thing else looks pretty good!
    Gordon
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    For me, this challenge is about how much can I improve my processing skills. Trust me, I need all the help I can get! I think I've made an improvement on my above image, so I'm going to post it for other members to see.

    I've taken my above image, converted to jpeg and have done some "touch up's" to it. History is shown from the point of converting to jpeg.

    2012-04-04 07:18:37 Photoshop launched
    Reset Tool Presets of current application
    2012-04-04 07:18:40 File challenge 2 master photo.jpg opened

    Duplicate Layer
    Match Color
    Luminance: 99
    Color Range: 143
    Fade: 0
    With Apply Target Selection
    With No Reference Image

    Play action “Enhance Dust Lanes” of set “Annie's Astro Actions - v5.0”
    Play action “Make DSO Stand Out” of set “Annie's Astro Actions - v5.0”
    Hide current layer
    Show current layer

    Play action “Less Crunchy More Fuzzy” of set “Astronomy Tools v1_6”
    Hide current layer
    Show current layer

    Play action “Local Contrast Enhancement” of set “Astronomy Tools v1_6”
    Hide current layer
    Show current layer
    Unsharp Mask
    Unsharp Mask
    Amount: 106%
    Radius: 0.5 pixels
    Threshold: 0
    Play action “Make Stars Smaller” of set “Astronomy Tools v1_6”
    Hide current layer
    Show current layer

    Match Color
    Luminance: 122
    Color Range: 112
    Fade: 0
    With Apply Target Selection
    With No Reference Image
    Hide current layer
    Show current layer

    Play action “Space Noise Reduction” of set “Astronomy Tools v1_6”
    Hide current layer
    Show current layer

    Flatten Image
    2012-04-04 07:37:11 File challenge 2 master photo.jpg saved
    Attached Images Attached Images

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    That's quite a bit of improvement Lonnie!

    I've been known to 'redo' my images a number of times just to play with techniques. It's amazing what new types of software and processing methods can do.
    Gordon
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    Default Even more improvements!

    I've been known to 'redo' my images a number of times just to play with techniques.
    If at first you don't succeed, try, try again!!

    I tried it again using the same steps as prior attempts BUT was way more aggressive with curves this time. I was amazed at just how much more data was there!

    The first attachment is the improved image and the second is my previous attempt. You can really see the improvement if you look at them side by side.

    Hope no one minds my "improvement" post's. I seem to have had lot's of time due to all the cloud cover we've had lately!
    Attached Images Attached Images

  20. The Following 5 Users Say Thank You to Lonnie For This Useful Post:

    ChuckWalters (04-06-2012),ghswen (04-05-2012),KathyNS (04-05-2012),kevin sydney (04-05-2012),Savantster (04-19-2012)

 

 
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