Planisphere - which one?

[kusmi]

(12-11-2017 01:12 AM)Dan Wrote:  But then you lose your dark adaptation. Amateur astronomers need all the help they can get in these increasingly light-polluted skies.

Usually those apps have a “dark mode” where they display everything in a red color. Most smartphones (at least my iPhone) also has a general setting to adjust the display color. I usually set my whole display to a red-tint then I can even operate different apps while my dark adaptation does not suffer. (On iPhone: Settings -> General -> Accessibility -> Display-Accommodations -> Color Filters. Turn On and select "Color Tint” and choose red as color).