Advances in Astronomy / 2010 / Article / Fig 5

Research Article

Detection of GRBs and OTs by All-Sky Optical and SID Monitors

Figure 5

Ondrejov Observatory EN network photographic plate, central part (converted to negative). The EN network uses fish-eye lenses F-Distagon 3.5/30, and the images are recorded on planfilms 90 120 mm; sky diamater is 80 mm and typical exposure time 3 hours resulting in limiting magnitude 11.

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