Logistics and Setup



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- Open NebulaChallenge.FITS

- Go to Process > Adjust Image

- Click the radio button “Log,” then click “Auto.” This auto-adjusts the settings to get the best range of brightness with a different scale for lower pixel values than higher ones. You’ll notice that the center of the nebula, which before was all one saturated brightness, is now displayed with a better range of detail.

Hercules Star Custer Challenge – practice using the Log Auto adjust image feature



- Open StarClusterChallenge.FITS

- Go to Process > Adjust Image



- Click on “Log,” and then “Auto” to get the best range of pixel value displays!
Whirlpool Galaxy Challenge – practice using the Remove Noise and Crop tools

- Open GalaxyChallenge.FITS

- Open the adjust image window by going to Process > Adjust Image

- Click on “log,” and then click “auto.”

- Remove the excess brightness in the image by going to Process > Reduce Noise

- Select the area of the image you’d like to keep with the square selection tool

- Go to Process > Crop to remove areas of the image outside your selection.

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