- B1950 - Static variable in class org.britastro.grelf.astro.Epoch
-
- B1950 - Static variable in class org.britastro.grelf.astro.JulianDate
-
Previously commonly used epoch for star charts, B1950.0, based on Besselian years.
- BodyKind - Enum in org.britastro.grelf.astro
-
Identifies kinds of celestial objects.
- Button - Class in org.britastro.grelf.hopper
-
Simplified button for use in the right hand panel of Hopper.
- Button(String, Point, int, int) - Constructor for class org.britastro.grelf.hopper.Button
-
- BUTTON_CONTEXT - Static variable in class org.britastro.grelf.hopper.Button
-
- BUTTON_FONT - Static variable in class org.britastro.grelf.hopper.Button
-
- buttonColour - Static variable in class org.britastro.grelf.hopper.Button
-
- Buttons - Class in org.britastro.grelf.hopper
-
A collection of Button objects as a rectangular area on the screen.
- Buttons(Point) - Constructor for class org.britastro.grelf.hopper.Buttons
-
Positions the collection of buttons within a window or frame.