skymap.sh: the sky above you, as text

  curl skymap.sh                      your sky now, located by IP
  curl skymap.sh/Zurich               a named city
  curl skymap.sh/47.38,8.54           any coordinates

If the ISS has a real pass overhead right now, it's marked on the chart
automatically -- no flag needed.

VIEWS
  ?view=horizon    panorama, N-E-S-W-N, altitude 0-70° + zenith inset (default)
  ?facing=NW       140° window centred on a bearing, shapes undistorted
  ?span=90         window width, 90-344° (only with facing)

FIND
  ?find=Venus      frame one object, with directions in fists
  ?find=M31        planets, Sun, Moon, named stars, asterisms, deep-sky
                   objects (M31, Andromeda Galaxy...), or a meteor shower's
                   radiant (Perseids) -- and whether you can see it right
                   now, or when you next can
  ?find=X&span=90  crop to a window around it instead of the full sky

EVENTS -- meteor showers, eclipses, oppositions, conjunctions, elongations
  curl skymap.sh/Zurich/events            what's coming up, next 90 days
  curl skymap.sh/Zurich/events?next=1     one line, for a shell prompt
  curl skymap.sh/Zurich/events?days=30    a different window, 7-365
                                           .ics and .rss feeds too, for a
                                           calendar app or a feed reader

OPTIONS
  ?t=2026-08-12T23:00   local time at that place (default: now)
  ?night=1              force the star chart even while the Sun is up
  ?nolines=1            stars only, no asterism lines
  ?dso=1                overlay galaxies, nebulae and clusters to mag 11 (Revised NGC)
  ?quadrant=A           crop to one lettered cell of the horizon view --
                        letters are marked on the chart, rerun adding the
                        one you want to zoom in (horizon view only, also
                        turns on ?dso=1 unless ?nodso=1 is added too)
  ?format=json          the same facts, structured
  ?plain=1              no ANSI colour
  ?w=100                render at N columns wide instead of the default

  10° is a closed fist at arm's length, so the gridlines are a ruler.

  Fit any terminal automatically, add to your shell profile:
    skymap() { curl "skymap.sh/${1:-}?w=$(tput cols)"; }

KEYBOARD (in a browser, on a chart page)
  tab    focus the place search      space  start the animation
  f      focus the find field        v      share as a GIF
  m      jump to my location         d      toggle quadrant grid + dso
  g      toggle golden hour (daylight charts: the band, times and bearings)
  esc    cancel/exit find mode, drawer
  z      zoom: pick a quadrant cell with arrow keys, enter to crop to it
  once it is running, space plays/pauses, left/right step a frame at a time
  (15 simulated minutes each), and d loads deep sky into the frame on screen

Stars: Yale Bright Star Catalogue. Planets: JPL approximate elements.
Sun and Moon: Meeus. Satellites: CelesTrak.