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
15Jun2026 04:09:39 PDT	mars	70.7	3.8	321542	0.96	34.2	-15.8
15Jun2026 04:09:39 PDT	saturn	103.9	22.0	1459328	1.00	71.1	-15.8
    

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


% sl_smrs 37.8 -122.4
15Jun2026:
Sunrise:  05:48 PDT (59.3°)
Sunset:   20:33 PDT (300.8°)
Moonrise: 06:01 PDT (53.9°)
Moonset:  21:50 PDT (304.7°)
    

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


% sl_data -start 15Jun2026 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
jupiter (full) and moon (crescent)
  start at 16Jun2026 22:20 PDT  b: 296.2° e: 3.0°  2.70° apart
  minsep at 16Jun2026 22:30 PDT  b: 297.7° e: 1.5°  2.61° apart
  end at 16Jun2026 22:35 PDT  b: 298.4° e: 0.7°  2.61° apart
venus (gibbous) and moon (crescent) (OCCULTATION)
  start at 17Jun2026 08:45 PDT  b: 63.0° e: 0.9°  1.70° apart
  minsep at 17Jun2026 12:05 PDT  b: 91.5° e: 37.6°  0.08° apart
  end at 17Jun2026 19:35 PDT  b: 264.4° e: 41.1°  2.97° apart
    

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