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
03Apr2026 09:12:02 PDT	sun	104.8	26.7	149576	1.00	0.0	26.7
03Apr2026 09:12:02 PDT	mercury	136.0	34.4	131765	0.50	27.8	26.7
03Apr2026 09:12:02 PDT	venus	85.6	15.5	233246	0.93	21.0	26.7
03Apr2026 09:12:02 PDT	mars	125.2	32.9	342751	0.99	18.7	26.7
03Apr2026 09:12:02 PDT	saturn	114.0	28.2	1568975	1.00	8.4	26.7
    

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


% sl_smrs 37.8 -122.4
03Apr2026:
Sunrise:  06:52 PDT (82.5°)
Sunset:   19:34 PDT (277.7°)
Moonrise: 21:39 PDT (113.9°)
Moonset:  07:21 PDT (249.9°)
    

ACME Labs / Software / sightliner
email