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
08Mar2026 04:14:07 PDT	moon	169.7	29.5	398	0.76	121.5	-38.5
08Mar2026 04:14:07 PDT	jupiter	297.6	2.6	704066	0.99	117.4	-38.5
    

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


% sl_smrs 37.8 -122.4
08Mar2026:
Sunrise:  07:31 PDT (95.4°)
Sunset:   19:10 PDT (264.8°)
Moonrise: none
Moonset:  09:48 PDT (241.3°)
    

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


% sl_data -start 08Mar2026 -duration 7d -interval 5m -planets -refraction 37.8 -122.4 | sl_conjunctions
saturn (full) and venus (full)
  start at 08Mar2026 19:35 PDT  b: 263.4° e: 8.0°  1.20° apart
  minsep at 08Mar2026 19:50 PDT  b: 265.8° e: 5.1°  1.06° apart
  end at 08Mar2026 20:15 PDT  b: 269.6° e: 0.6°  1.20° apart
saturn (full) and venus (full)
  start at 09Mar2026 19:35 PDT  b: 263.9° e: 7.9°  1.96° apart
  minsep at 09Mar2026 19:50 PDT  b: 266.2° e: 5.0°  1.84° apart
  end at 09Mar2026 20:10 PDT  b: 269.2° e: 1.4°  1.87° apart
    

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