Canon 200 IS - Manual (Page 66)

Special Effects for Night Backgrounds (Creative Light Effect)
66
Shoot.
• Hold the camera firmly and shoot non-moving points of light in as dark a location
as possible.
• Be sure to shoot with your subject within the range of the flash (p. 69) . Also
make sure your subject is not illuminated by any other light source.
Shooting tips
Depending on the shooting conditions, such as when shooting moving
points of light, you may not get the selected shape or the expected scene
brightness.