Observable means that something can be seen, felt, tasted, heard, or smelled. Here are some sentences.
The Police helicopter had an observer in addition to the Pilot.The spectator was not a participant just an observer.The observer watched the proceedings and witnessed no foul play.
It seems like there is a typo in your sentence. You might be trying to say, "An observer who is inconspicuous in the room is observing." If this is the case, it means that the observer is blending in and not attracting attention while observing in the room.
Panoramic means sweeping, surrounding the observer. I had a panoramic view of the surrounding valley.
Observer is a noun.
He experienced a sudden, startling sense of bilocation . He seemed to become a passive observer watching a second Finnhttp://www.arnoldhenry.com
The professor made the observation that several students fell asleep during his lecture and decided to change his teaching strategy.
The German translation of observer is Beobachter.
Anybody who watches others is an observer of behaviour.
The Texas Observer was created in 1954.
Peninsula Observer was created in 1967.
Rugby Observer was created in 1991.
Mushroom Observer was created in 2006.