Solunars by Aldebaran Sidereal Academy

https://en.wikipedia.org/wiki/Forest_Hills_disaster
March 14, 1887, morning, Boston, MA, 42N17'38'', 71W07'23''
Railroad bridge accident. Bridge collapsed as train passed over it, crashing cars to street below. 38 died, 40 seriously injured. It was a morning commuter train.

7:00 AM is when it pulled out of the station at Dedham en route to Boston. Today a Dedham train or bus to Boston takes about 60 minutes, so mid-18th century it was likely an hour and a half, estimating 8:30 AM (just as Neptune rose opposite a setting Moon).

Year/Quarter: Capsolar {0}
Moon on Dsc 0°47'

Year: Cansolar {+2}
Pluto on WP 0°12'
Mercury sq. Asc 0°15'
Neptune more widely foreground
-- Neptune-Pluto conj. 0°15' in mundo
Moon-Saturn op. 2°52' in mundo
Moon-Sun op. 3°36'

Bridge {+1}
t Pluto on Cansolar angles 7/15-6/5
Event window: nearly all year

Quarter: Libsolar (Dormant.) Moon-Neptune Moon-Pluto.

Month: Caplunar {+2}
Mercury on Asc +0°38'
Mars on Asc -0°46'
Venus on EP 0°51' [sq. non-foreground Pluto 1°31']
Sun more widely foreground
-- Mercury-Mars conj. 1°34' in mundo
-- -- Me/Ma on Asc 0°09'
-- Venus-Mars conj. 2°10' in mundo
-- Mercury-Venus conj. 3°43' in mundo

Week: Liblunar {-2}
Jupiter on Asc 2°33'

NB - Unukalhai (Alpha Serpentis) is rising 0°24'. It is attributed to the nature of Mars-Saturn.

Day: Capsolar Quotidian & Transits {+1}
p EP conj. s Neptune 0°48', t Neptune 1°04'
p Asc sq. p Moon 0°31'
----------------------------
t Sun sq. s MC 0°09'

Day: Cansolar Quotidian & Transits {-1}
p MC op. t Jupiter 0°06'
-------------------------------
t Pluto sq. s MC 0°26'