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
15Mar2026 06:01:52 PDT	moon	118.7	3.2	390	0.14	43.3	-16.3
    

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


% sl_smrs 37.8 -122.4
15Mar2026:
Sunrise:  07:21 PDT (92.0°)
Sunset:   19:17 PDT (268.4°)
Moonrise: 05:40 PDT (115.4°)
Moonset:  15:56 PDT (247.1°)
    

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


% sl_data -start 15Mar2026 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
mercury (crescent) and moon (crescent)
  start at 17Mar2026 06:40 PDT  b: 100.8° e: 1.6°  2.62° apart
  minsep at 17Mar2026 06:40 PDT  b: 100.8° e: 1.6°  2.62° apart
  end at 17Mar2026 06:55 PDT  b: 103.1° e: 4.2°  2.62° apart
    

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