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
02Oct2026 02:45:03 PDT	moon	89.1	48.2	365	0.63	104.6	-48.1
02Oct2026 02:45:03 PDT	mars	73.4	12.4	247603	0.90	66.7	-48.1
02Oct2026 02:45:03 PDT	saturn	216.6	48.2	1262485	1.00	176.5	-48.1
    

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


% sl_smrs 37.8 -122.4
02Oct2026:
Sunrise:  07:07 PDT (94.2°)
Sunset:   18:50 PDT (265.6°)
Moonrise: 23:16 PDT (54.6°)
Moonset:  14:01 PDT (305.9°)
    

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


% sl_data -start 02Oct2026 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
mars (gibbous) and moon (crescent)
  start at 05Oct2026 01:45 PDT  b: 64.9° e: 1.5°  2.41° apart
  minsep at 05Oct2026 01:50 PDT  b: 65.7° e: 2.3°  2.34° apart
  end at 05Oct2026 02:35 PDT  b: 72.2° e: 10.0°  2.93° apart
jupiter (full) and moon (crescent)
  start at 06Oct2026 02:55 PDT  b: 70.8° e: 0.6°  0.71° apart
  minsep at 06Oct2026 03:05 PDT  b: 72.3° e: 2.2°  0.71° apart
  end at 06Oct2026 06:45 PDT  b: 107.5° e: 43.9°  2.58° apart
    

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