Navigate to <https://afterglow.skynet.unc.edu/en/workbench?tool=info>\
Open all three of the images you took for the Color Image Request.

Check that when you mouse over a location on your image, the numbers next to "RA:" and "DEC:" change. If they do not, request your images again from another telescope or with a longer exposure.

Select all three images in "Select Images to Align"

messier-17-color-yvc-sp23_9515620_B_0000_reduced.fits

Select any one of the iamges as the "Reference Image File"

Click the "Files" image so you can see the list of files you have open.

Click the three dots up above near the "X" icon. \
Select "Group Selected Files"

Click on the new image that has been created.

Right click on the image that used the Blue (or U) filter.\
Choose "Color Map."\
Choose "Blue."

messier-17-color-yvc-sp23_9515620_R_0002_reduced.fits

Right-click "messier-17-color-yvc-sp23_9515620_R_0002_reduced.fits"

Right click on the image that used the Red filter.\
Choose "Color Map."\
Choose "Red."

messier-17-color-yvc-sp23_9515620_V_0001_reduced.fits

Right click on the image that used the Green (or V) filter.\
Choose "Color Map."\
Choose "Green."

expand_more
messier-17-color-yvc-sp23_9515620.fits
fiber_manual_record
insert_photo
messier-17-color-yvc-sp23_9515620_B_0000_reduced.fits
visibility
fiber_manual_record
insert_photo
messier-17-color-yvc-sp23_9515620_R_0002_reduced.fits
visibility
fiber_manual_record
insert_photo
messier-17-color-yvc-sp23_9515620_V_0001_reduced.fits
visibility
fiber_manual_record

Click on the grouped file (at the top of the list).

You will see that the three images have been added together to give  you one full color image.

Click the camera icon to download the image to your computer to submit to your assignment.

Afterglow: Create a Color Image