Leonids 2001: Photographic Results at Miyun station
The Sino-Dutch Leonid Expedition 2001


1. Observers at Miyun station
2. Equipment used at Miyun station
3. Exposure data at Miyun station
4. Photo's made by Sietse Dijkstra at Miyun station
5. Photo's made by Jos Nijland at Miyun station
6. Black and white photo's from the Camera-array


Last updated: 24 december 2001



The Miyun station: observers located themselves and their equipment on the roof of the building



Observers at Miyun Station

Jos NijlandJian Gao
Sietse Dijkstra



Photographic equipment used at Miyun Station

The "Hazen" camera-array
Camera & SectorFilm & Developing
Camera: 11 Canon T-70Film: Kodak Tri-X Pan 400
Lens: Canon FD 1.8/50 mmDeveloper: Kodak HC-110
Control: Canon Command Back 70Developing time: 6 minutes
Aperture stop: 2.8Developing temperature: 24° - 28° C
Sector: 8 blades / 30°Stopbath: Amaloco S 10 (2 minutes)
Rotational speed: 12.5 rps
(100 breaks/second)		Fixing: Amaloco X 88 (10 minutes)



Exposure times at Miyun station

Night17/1818/1919/20
Start of Exposure- UT15:44 UT- UT
End of Exposure- UT21:56 UT- UT
Exposure Time- minutes12 minutes- minutes
Total number of exposures-31-
Total Exposure Time- minutes372 minutes- minutes



Fireball and persistent trains by Sietse Dijkstra made at Miyun station




Acknowledgements and Sponsoring of the Sino-Dutch Leonid Expedition 2001


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DMS homepage		 back.gif This page was last modified on December 24, 2001 by
Jos Nijland and Casper ter Kuile,