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
16Feb2026:
Sunrise:  06:58 PST (104.9°)
Sunset:   17:50 PST (255.4°)
Moonrise: 06:42 PST (112.5°)
Moonset:  17:15 PST (250.5°)
    

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


% sl_data -start 16Feb2026 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
mercury (half) and moon (crescent)
  start at 18Feb2026 18:15 PST  b: 255.2° e: 12.6°  0.77° apart
  minsep at 18Feb2026 18:15 PST  b: 255.2° e: 12.6°  0.77° apart
  end at 18Feb2026 19:20 PST  b: 265.4° e: 0.8°  1.12° apart
    

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