Using PyRAF's imexam task for photometry

PyRAF is installed on the classroom linux machines using the astroconda setup. You do not need to install astroconda or PyRAF on your own machine (unless you want to). If you haven't yet set up pyraf on your linux account, go to this page for instructions.

ds9 menu functions are listed in italics
pyraf command line commands are listed in boldface courier
useful imexam commands (execute these after placing the flashing circle cursor over a region of interest on the image):
Try the following:
Quitting imexam: hit q with the cursor somewhere in the image
Quitting pyraf: .exit (that's dot-exit)

Miscellaneous tips, as I think of them: