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
05Nov2025 15:31:17 PST	sun	234.4	15.8	148301	1.00	0.0	15.8
05Nov2025 15:31:17 PST	mercury	211.6	21.1	130950	0.44	22.3	15.8
05Nov2025 15:31:17 PST	venus	248.9	10.4	243856	0.97	15.1	15.8
05Nov2025 15:31:17 PST	mars	217.3	21.8	361103	0.99	17.2	15.8
05Nov2025 15:31:17 PST	saturn	98.7	4.8	1325839	1.00	131.6	15.8
    

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


% sl_smrs 37.8 -122.4
05Nov2025:
Sunrise:  06:40 PST (109.6°)
Sunset:   17:06 PST (250.2°)
Moonrise: 17:03 PST (61.4°)
Moonset:  06:57 PST (295.8°)
    

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


% sl_data -start 05Nov2025 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
mars (full) and mercury (crescent)
  start at 10Nov2025 17:25 PST  b: 237.5° e: 4.0°  2.60° apart
  minsep at 10Nov2025 17:25 PST  b: 237.5° e: 4.0°  2.60° apart
  end at 10Nov2025 17:50 PST  b: 241.4° e: 0.0°  2.60° apart
mars (full) and mercury (crescent)
  start at 11Nov2025 17:25 PST  b: 238.1° e: 3.5°  1.77° apart
  minsep at 11Nov2025 17:25 PST  b: 238.1° e: 3.5°  1.77° apart
  end at 11Nov2025 17:45 PST  b: 241.2° e: 0.4°  1.77° apart
    

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