Re: Enter apparent magnitude of reference stars to calculate magnitude of target stars (requires AIJ v3.1.0+)

Posted by karenacollins on Mar 21, 2024; 6:27am
URL: http://astroimagej.170.s1.nabble.com/Enter-apparent-magnitude-of-reference-stars-to-calculate-magnitude-of-target-stars-requires-AIJ-v3-1-tp236p2387.html

Kevin Collins pointed out that the image has to be plate-solved to enable opening of the SIMBAD page (we need to know RA and Dec of the star to find it in SIMBAD). According to the screen grab you posted, your images are not plate-solved, so the SIMBAD option does not show in the magnitude entry box. In a new version of AIJ that will be posted shortly, when there is no WCS solution in the FITS header, we'll replace the SIMBAD option with a note about the lack of a plate solution to flag why the option is not being offered.

Karen