Append the current WCS position to a file
Create a one-line script, savepos:
#!/bin/sh
echo $1: $2 $3 $4 >>coord.list
Execute SAOimage, including the script on the command line:
saoimage -wcscom savepos_%f_%s test.fit
Whenever you click w, the WCS position for the current cursor
location will be added to the file coord.list:
test.fit: 09:54:18.739 +69:02:37.05 J2000
test.fit: 09:54:31.783 +69:01:25.20 J2000
test.fit: 09:54:46.063 +68:57:00.43 J2000
test.fit: 09:55:01.628 +68:56:22.56 J2000
test.fit: 09:55:03.732 +68:56:24.03 J2000
[SAOimage]
[SAOimage WCS]
[SAOimage WCS Cursor Commands]