Challenge has finished
Submit a photograph of an outdoors scene at night. -- There are two basic approaches you can use to photograph this difficult subject. Traditionally, you use a camera mounted on a tripod with long exposure times. Alternatively, you can use a fast lens and high ISO to hand-hold an image. These trade off convenience and equipment cost versus image quality.
Thursday, 2nd June, 2011 (GMT)
Thursday, 9th June, 2011 – Wednesday, 15th June, 2011 (GMT)
Thursday, 16th June, 2011 – Wednesday, 22nd June, 2011 (GMT)
Capture date rules:
Maximum number of entries per user:
Maximum number of entries in challenge:
3 hour star trail on the summit of Mauna Kea. The lasers are from the adaptive optics unit on the Gemini North telescope. There appears to be two lasers since the telescope used it on two different targets on the sky.
|Submitted:||Tuesday, 14th June, 2011 10:04 (GMT)|
|Taken:||Friday, 26th March, 2010|
|Focal length:||18 mm|
|Shutter speed:||10800 sec|
p previous n next c challenge f full size r retract vote # vote