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
14Jun2026 15:39:55 PDT	sun	256.5	54.9	151947	1.00	0.0	54.9
14Jun2026 15:39:55 PDT	moon	265.9	54.2	352	0.00	5.5	54.9
14Jun2026 15:39:55 PDT	mercury	215.5	72.8	125436	0.40	24.5	54.9
14Jun2026 15:39:55 PDT	venus	167.8	73.6	173670	0.75	37.9	54.9
14Jun2026 15:39:55 PDT	mars	274.1	23.6	321741	0.96	33.9	54.9
14Jun2026 15:39:55 PDT	jupiter	186.2	73.3	911527	1.00	32.9	54.9
    

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


% sl_smrs 37.8 -122.4
14Jun2026:
Sunrise:  05:47 PDT (59.2°)
Sunset:   20:33 PDT (300.8°)
Moonrise: 04:55 PDT (54.6°)
Moonset:  20:47 PDT (306.2°)
    

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


% sl_data -start 14Jun2026 -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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