2InstallationOpen an imageMake a profileGet a LUTPhotometryBasic operations (add/subtract, etc.)RGB photometry & astrophotography
3InstallationFor Linux/Unix:Copy the folder ‘SalsaJ-Soft’ in your home directoryOpen xterm and go to the ‘~/SalsaJ-Soft’ folderRun the software with order : make salsajFor Windows:Copy the folder ‘SalsaJ-Soft’ in your home directoryOpen this folder and click on 'salsaj.bat'For Mac :Copy the folder ‘SalsaJ-Soft’ in your home directoryOpen this folder and click on 'salsaj.jar'
4Click on the icon or click on ‘Open’ in the ‘File’ menu Open an imageClick on the icon or click on ‘Open’ in the ‘File’ menuChoose your image, e.g. the image ‘ sny.fits ’:Ouverture d’une imageHow to adjust the image‘s brightness?
5To adjust the image, click on this icon as below : Or select the option ‘Window/level…’ in the ‘Image’ menuA new window will be displayed :Aluster l’mageclick ‘Auto’
6Make a profilePlot a segment on the image to get the corresponding plot profile.You must indicate the two ends of the segment with the mouse.The cursor on the segment displays the actual position on the profile.
7Display the Look-Up Table The Look-Up Table (LUT) represents the relation between colour and intensity of stars.Select the option ‘Show LUT’ in the ‘Image’ menu.
8How to change the LUT:Select the option ‘Lookup Tables’ in the ‘Image‘ menu, for example ‘Red‘.
9Other LUT for example :Multi-colour LUT ‘Spectrum’‘Green’‘Blue’
10PhotometryThe photometry tool enables to measure the intensity of stars.Click on the object you want to measure the photometryThe result appears in the second window.:
11Basic operations (add/subtract, etc.) Open two images to make some basic operations :Adjust images with ‘Auto’
12Add two imagesTo compare two images, it is interesting to add them : Select in the‘Operations’ menu the option ‘Image Calculator…’, the result will becreated in a new window.Choose the images,the operation andclick ‘OK’
13Subtract two imagesIt is also interesting to subtract them : Select in the ‘Operations’ menu the option ‘Image Calculator…’, the result will be created in a newwindow.Choose the images,the operation andclick ‘OK’
14RGB photometry & astrophotography Open three images:Select in the ‘Image’ menu the ‘Stacks’ menu and select the option‘Convert Images to Stack’(1) . Choose in the ‘Image’ menu the menu ‘Colour’ and select the option ‘Convert Stack to RGB’(2).On the way to real colour images…(1)(2)