Succeeded a continuous digital photographing of the Leonids meteors（Activity Report）
TRIC has been carrying out a joint research program together with Goto Optics Institute aims to develop "a high accuracy low luminance astronomic phenomenon imaging technology".
As a step of the program, we have done an experimental observation with a continuous digital photographing of the Leonids meteors in the Yatsugatake mountain, and have suceeded to photograph a green fireflaught phenomenon, meteor swarm, and its tails. These are the results after image processings.
Leonids meteors：
A Tempel Tuttle comet is a mother comet, and the dust jumps into the earth atmosphere and then becomes a meteor. A shooting star of the meteors is characterized that it looks like to jump out from one point of a night sky, and as the meteors appear from the direction of the Loin (radiation point),it is called "the Leonids meteors".
In Japan, there was a great appearance in 1965 which was 36 years ago, and as for this time, it was predicted by Dr. David Asher. The astronomical show began from many shooting stars which flew slowly in the all-sky and disappeared into a distant mountain. After that, there was a great appearance of bright shooting stars equal to Venus, and the number was considered to be more than 100 per an hour.
It was a relly wonderful show without braking off a voice of delight by the people participated in observation.
Photographing Record
Place : Goto Yatsygatake Astronomic observation Center
Date : Nov.18, 2001 11:29:19PM - Nov.19 2001 05:23:57AM
Camera : Nikon D1H 17mm F:2.8
Exposure time : ISO1600 setting 90 seconds/continuous frame exposure with a 5 second interval with the aid of an experimental interval device for a long time photographing developed by TRIC
Image quality :RAW(12bits)2000x1312pixels
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here to see animated image (MPEG file 8.4MB)
