Challenge has finished
Most of the photos people take use the camera to capture what people see; the challenge is to capture things that a person normally would NOT be able to see. The subject might be unseen because it is imaged in NIR (near infrared), happens too quickly (use a fast shutter or flash) or too slowly (use a long exposure or time lapse stacking) for human perception, is seen from a place your camera can go but you can't, etc.
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Thursday, 1st October, 2009 (GMT)
Thursday, 8th October, 2009 – Wednesday, 14th October, 2009 (GMT)
Thursday, 15th October, 2009 – Wednesday, 21st October, 2009 (GMT)
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Maximum number of entries per user:
Maximum number of entries in challenge:
This image is literally the difference of two very ordinary images taken from the same position by a camera I use as a security monitor controlled by a PC using Linux and gphoto2. The first image was taken in July 2008 with most everything green; the second was captured in February 2009 with snow on the ground and trees bare.
|Submitted:||Thursday, 7th May, 2009 23:18 (GMT)|
|Taken:||Sunday, 20th July, 2008|
|Focal length:||7.3 mm|
|Shutter speed:||3/10 sec|
|Notes:||The two images were aligned, differenced, slightly enhanced, and cropped using GIMP.|
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