updated: 2021-05-28

Purpose

Final color correction

If the final image still looks a bit greenish, reddish or blueish you can use SCNR to reduce the tint or color cast of your image

Activation

Menu: Process 🡺 All Processes 🡺 SCNR

Process Explorer: NoiseReduction 🡺 SCNR

Input

Stretched image, file name “*_i_c_DBE_ABE_BN_CC_HT_MLT_FS.xisf” or similar

Output

Corrected image, file name “*_i_c_DBE_ABE_BN_CC_HT_MLT_FS_SCNR.xisf” or similar into sub folder "aligned"

Previous Step

Background Improvement

Next Step

Improving the Image (any step)

Tutorial

https://www.youtube.com/watch?v=-Hy531xgLUw&  (at minute 27:56)  (Part 8  Noise Reduction and Full Stretch)


Step

Action

Description

1

Open the SCNR Function

2

Select Color and Amount

in this case the stars looked a bit reddish, by reducing the red color by 23%  or 30% the image looks more neutral



3

Apply the SCNR function


Just pull the little blue triangle onto the image...


original                                    corrected



14

Save the Color Corrected Image

file name like “*_i_c_DBE_ABE_BN_CC_HT_MLT_FS_SC.xisf” or similar into sub folder "aligned"

(or 20170921_M8_FUJXT1_i_c_DBE_ABE_BN_CC_HT_MLT_FS_SC.xisf in this case)

using postfix _SC

file name like  “*_SC.xisf”

Created with the Personal Edition of HelpNDoc: Converting Word Docs to eBooks Made Easy with HelpNDoc