Question: In what location did the events that inspired Night Skies, a 2007 horror film, take place?

Context paragraphs:
Kielder Observatory: Kielder Observatory is an astronomical observatory located in Kielder Forest, Northumberland, England.  It is situated high upon Black Fell overlooking Kielder reservoir near the Scottish border and half a mile up a forest track from James Turrell's Kielder Skyspace.  The site was chosen due to its pristine night skies in a location free of light pollution with clear views to all horizons and is one of the best places in the UK to view the Milky Way.

2016 WTA 125K series: The WTA 125K series is the secondary professional tennis circuit organised by the Women's Tennis Association.  The 2016 WTA 125K series calendar consists of eight tournaments, each with a total prize fund of $125,000.  After 2015, the Nanchang event was upgraded to a WTA International level tournament, and with new events starting in San Antonio, West Hempstead and Bol.  The planned tournament in West Hempstead was then cancelled, and the tournament scheduled to take place in Carlsbad, California was moved to Oahu, Hawaii.  Following the death of the Thai king Bhumibol Abdulyadej, the event due to take place in Hua Hin was also cancelled, in accordance with Thai tradition that sporting events cannot take place in the month after a monarch's death.

Phoenix Lights: The Phoenix Lights was a mass UFO sighting which occurred in Phoenix, Arizona, and Sonora, Mexico on Thursday, March 13, 1997.

Lindenstraße: Lindenstraße (literally "Lime Street") is a German television drama series, broadcast by Das Erste.  The first episode aired on 8 December 1985 and since then new episodes have aired weekly.  Its current timeslot on Das Erste is Sundays at 18:50.  The events of the Sunday episode usually take place on the Thursday before the show, based on the TV station's original plan of airing the episodes Thursday night.  Prior of the start of the show, the timeslot was switched to Sunday evening but the Thursday remained the day the events usually take place as the show shall feature the daily life routine of the protagonists on a working day.  Exceptions are the so-called holiday episodes that take place on Sunday, such as for Christmas and Easter and also on important election days (especially the election to the German Bundestag).

Night Skies: Night Skies was a science fiction horror film that was in development in the late 1970s, but was never actually made.  Steven Spielberg conceived the idea after "Close Encounters of the Third Kind".  Instead, material developed at the time was used in "Poltergeist" and "E.T. the Extra-Terrestrial".

Dragons of the Highlord Skies: Dragons of the Highlord Skies is a fantasy novel by Margaret Weis and Tracy Hickman, based on the Dragonlance fictional campaign setting.  It is the second of the Lost Chronicles trilogy, designed to "fill-in" the gaps in the storyline between the books in the Chronicles trilogy ("Dragons of Autumn Twilight", "Dragons of Winter Night", and "Dragons of Spring Dawning").  The events of this novel entirely take place during the same time frame as the events described in "Dragons of Winter Night".

Night game: A night game, also called a nighter, is a sporting event that takes place, completely or partially, after the local sunset.  Depending on the sport, this can be done either with floodlights or with the usual low-light conditions.  The term "night game" is typically used only in reference to sports traditionally held outdoors.  Although indoor sporting events often take place after local sunset, these events are artificially lighted regardless of the time of day they take place.

Dragons of the Dwarven Depths: Dragons of the Dwarven Depths is a fantasy novel by Margaret Weis and Tracy Hickman, set in the "Dragonlance" fictional campaign setting.  It is the beginning of the Lost Chronicles trilogy, designed to fill in the gaps in the storyline between the books in the "Chronicles trilogy" ("Dragons of Autumn Twilight", "Dragons of Winter Night", and "Dragons of Spring Dawning").  The events in the book take place between the events of "Dragons of Autumn Twilight" and "Dragons of Winter Night".  While parts of the book foreshadow some of the events to take place in the Dragonlance Legends trilogy, the novel is otherwise free of spoilers.

Night Skies (2007 film): Night Skies is a 2007 horror film starring Jason Connery, A.J. Cook, George Stults and Ashley Peldon.  It is set during the time of the so-called "Phoenix Lights", one of the largest UFO sightings ever.

UFOs in fiction: Many works of fiction have featured UFOs.  In most cases, as the fictional story progresses, the Earth is being invaded by hostile alien forces from outer space, usually from Mars, as depicted in early science fiction, or the people are being destroyed by alien forces, as depicted in the film "Independence Day".  Some fictional UFO encounters may be based on real UFO reports, such as "Night Skies".  "Night Skies" is based on the 1997 Phoenix UFO Incident.

Supporting paragraphs: Night Skies (2007 film) Phoenix Lights
Answer: Phoenix, Arizona, and Sonora, Mexico