"observed from the" is correct and can be used in written English.
For example: "Observed from the street, the house had a rustic charm."
This has been observed from the next wing, Room 2365.
(A repairman is later observed from the same spot).
The political consultants discreetly observed from the next room as their subject watched the campaign commercials.
The family's story, observed from the nursery, unspools with some charm but without much narrative zip.
Gas bubbles on the water's surface were no longer observed from the air by September 19th.
Many Long Island and Connecticut harbors have submerged rocks, shoals or other hazards that cannot be observed from the surface.
"There were so-o-o-o many breakups at the dance," Katie observed from the back seat.
In Van Allsburg's masterly sepia-toned drawings, the action always seems to be observed from the wrong angle.
Always interested in politics, he observed from the sidelines rather than becoming actively involved, until the early 1990s.
It was hands-on choreography while an actor who would actually be carried, Kevin Mambo, observed from the wings.
As the German writer Ernst Jünger observed from the luxury of the Tour d'Argent restaurant in Paris, "food is power".
