I have has a problem with getting red boxes for WCS when using VPhot with images of BF ORI, T ORI and BM ORI.
Other images taken the same night with the same scope (SierraStars) have been OK so I am rather puzzled. Any ideas?
Martin Nicholson (AAVSO = NMR)
Links:
[1] http://www.aavso.org/forums/variable-star-observing/vphot
[2] http://www.aavso.org/category/tags/wcs