The phrase "a group of observers" is correct and usable in written English.
It can be used to refer to multiple individuals who are watching or monitoring a particular event or situation.
Example: "During the experiment, a group of observers noted the reactions of the participants closely."
Alternatives: "a team of watchers" or "a panel of viewers".
The courtroom was jammed with Şık's supporters, including colleagues and a group of observers sent by the E.U., which had condemned Şık's confinement.
The story begins during the late 1930s, when a group of observers set out to record what went on in British pubs.
The AU is already sending a group of observers backed by around 300 troops, to monitor an oft-broken ceasefire between Darfur's rebels and government forces.
A group of observers was also prevented from visiting the restive town of Dara'a in the south, because of security restrictions, according to a team member.
Last year, on a visit by United Nations observers to assess the escalating crisis, Mr. Baali appeared in a brief clip, his arm in a sling, facing a group of observers.
If visions of misread ballots, never-ending recounts and a thicket of legal challenges make your temples throb, then just imagine the headaches for a group of observers who came all the way from the former Soviet Union for a lesson in American electoral democracy -- at this of all times.
He said he accompanied a group of international observers from Hungary and Russia who came to watch the presidential election here.
Wearing the red beret and fatigues of his paratrooper days, Mr. Chávez was accompanied by the American filmmaker Oliver Stone and a group of international observers at the Venezuelan airstrip.
The prospect that a group of U.N. "observers" might somehow prevent bloodshed may seem depressingly risible, given their dismal showings in other violent arenas in modern times (Kigali, Srebrenica, and Dili all come to mind).
According to U.S. war correspondents visiting the Yan'an area in May 1944 and to a group of U.S. observers that established itself there in July, the communists professed allegiance to democracy and to continued cooperation with the Nationalist government in the war effort.
For the purpose of this study, a group of seven observers was deemed enough for the topic analysis.
