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- QUIT: Do you want to exit
- this program?
- ---
- HELP ON: each click on a menu
- item will display an explana-
- tory message before performing
- the requested action.
- ---
- HELP OFF: disables the HELP ON
- function - no explanatory
- messages will be displayed.
- ---
- IDENTIFY: clicking the mouse
- on a star will display its
- data (ID, visual magnitude,
- color index, and coordinates).
- ---
- CENTER: clicking the mouse in
- the map area will define the
- next map projection center
- (rounded to the nearest grid
- node).
- ---
- POINT: clicking the mouse
- on a point will display its
- coordinates.
- ---
- REDRAW: redraws the map with
- all the settings (frame,
- projection, magnitude range,
- scale and projection center)
- as currently set.
- ---
- FLIP: redraws the map with
- the center opposite to the
- one currently set, and
- with the scale value not
- greater than 2.
- ---
- FIND: inputs the 6-character
- star ID (an asterisk serves as
- a wild character, replacing
- any other) and finds the
- brightest star matching it.
- ---
- FIND NEXT: finds the next star
- matching the last defined ID.
- ---
- SCALE: re-defines the map
- scale; the value of 1 corres-
- ponds to the whole hemisphere
- (or sphere) filling the win-
- dow as tightly as possible.
- ---
- EQUATORIAL: re-defines the
- coordinate system (for
- subsequent maps) to
- δ - declination,
- α - right ascension.
- ---
- ECLIPTIC: re-defines the coor-
- dinate system (for subsequent
- maps) to
- β - celestial latitude,
- ג - celestial longitude.
- ---
- GALACTIC: re-defines the coor-
- dinate system (for subsequent
- maps) to
- b - galactic latitude,
- l - galactic longitude.
- ---
- HORIZON: re-defines the coor-
- dinate system (for subsequent
- maps) to
- H - altitude,
- A - azimuth.
- ---
- MAGNITUDE: only stars with
- magnitudes from the indicated
- range will be mapped by the
- subsequent REDRAW actions (and
- made accessible for FIND).
- ---
- STEREOGRAPHIC: this projection
- will be used for subsequent
- maps. Properties: not more
- than one hemisphere shown at a
- time; no angular distortions.
- ---
- AITOFF: this projection will
- be used for subsequent maps.
- Properties: whole sphere can
- be displayed at once, no area
- distortions.
- ---
- CONST.NAMES: displays the list
- of constellation abbreviations
- together with their Latin and
- English names.
- ---
- STAR NAMES: displays the list
- of stars which were given
- individual names.
- ---
-