Maybe you have one of the catalogs selected that has extended objects, and you are landing in the middle of a large nebulosity or open cluster. Uncheck all external catalogs (be sure to check the Size and Magnitude tabs also) and all of the Nebula catalogs and see if the same thing happens.
Larry F --- In [email protected], "crite40" <crit...@...> wrote: > > While searching for Pluto recently I noticed an odd effect when using > narrow fields of view in Cartes du Ciel v 3.0. > When the field gets down to a few minutes of arc, the sky colour changes from > its normal dark blue (my settings) to a sort of maroon RED. > I have tried the setups exhaustively, but I cannot find out why this is, > nor can I correct it. > This is normally no problem, but when concentrated on an object it can cause > problems. > BTW I have had one possible idea. Since Pluto is at present in Sagittarius, > could this be a setting for the very rich nebulosity in the region? > Crite 40. New Zealand >
