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
01Dec2025 22:18:14 PST	moon	215.1	63.7	356	0.89	141.1	-63.2
01Dec2025 22:18:14 PST	jupiter	82.3	26.1	665146	1.00	135.9	-63.2
01Dec2025 22:18:14 PST	saturn	237.0	29.6	1382608	1.00	104.8	-63.2
    

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


% sl_smrs 37.8 -122.4
01Dec2025:
Sunrise:  07:07 PST (117.5°)
Sunset:   16:50 PST (242.4°)
Moonrise: 14:19 PST (73.0°)
Moonset:  03:10 PST (283.4°)
    

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