sightliner - find sight lines for the sun and moon

Not quite released yet.

Here are the current positions of the celestial objects, above the horizon as seen from San Francisco:


% sl_data -planets -num 1 -refraction 37.8 -122.4 | sl_find 'elev>0'
# datetime		object	bearing	elev	dist	full	sunsep	sunelev
    

Here are today's sun/moon rise/set times and bearings for San Francisco:


% sl_smrs 37.8 -122.4
28Feb2026:
Sunrise:  06:43 PST (99.4°)
Sunset:   18:02 PST (260.9°)
Moonrise: 15:15 PST (63.6°)
Moonset:  05:14 PST (298.9°)
    

And here are the close celestial encounters for the next week:


% sl_data -start 28Feb2026 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
antisun and moon (full) (partial lunar eclipse)
  start at 03Mar2026 02:20 PST  b: 228.8° e: 48.4°  1.13° apart
  minsep at 03Mar2026 02:20 PST  b: 228.8° e: 48.4°  1.13° apart
  end at 03Mar2026 02:30 PST  b: 231.7° e: 46.8°  1.20° apart
antisun and moon (full) (partial lunar eclipse)
  start at 03Mar2026 02:45 PST  b: 235.7° e: 44.5°  1.14° apart
  minsep at 03Mar2026 04:00 PST  b: 252.0° e: 31.2°  1.06° apart
  end at 03Mar2026 04:35 PST  b: 258.1° e: 24.5°  1.19° apart
antisun and moon (full) (partial lunar eclipse)
  start at 03Mar2026 04:50 PST  b: 260.6° e: 21.6°  1.17° apart
  minsep at 03Mar2026 04:50 PST  b: 260.6° e: 21.6°  1.17° apart
  end at 03Mar2026 04:50 PST  b: 260.6° e: 21.6°  1.17° apart
saturn (full) and venus (full)
  start at 05Mar2026 18:55 PST  b: 265.1° e: 4.5°  2.66° apart
  minsep at 05Mar2026 18:55 PST  b: 265.1° e: 4.5°  2.66° apart
  end at 05Mar2026 19:10 PST  b: 267.4° e: 1.8°  2.66° apart
saturn (full) and venus (full)
  start at 06Mar2026 18:35 PST  b: 262.5° e: 8.2°  1.76° apart
  minsep at 06Mar2026 18:55 PST  b: 265.6° e: 4.4°  1.69° apart
  end at 06Mar2026 19:15 PST  b: 268.7° e: 0.8°  1.77° apart
    

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