Table 1
Photographic, video, and digital cameras that recorded the EN120812 Perseid and were used in this work.
| Regular | Regular | Image-intensified | Image-intensified | Image-intensified | DSLR | DSLR | DSLR | ||
| all-sky | wide-field | video (Ondřejov) | video (Kunžak) | spectral video | all-sky | all-sky | wide-field | ||
|
|
|||||||||
| Camera | AFO | 300 mm | Panasonic | Panasonic | Panasonic | Canon EOS | Canon EOS | Canon EOS | |
| SX50 | NVS88 | NVS88 | 5D Mark II | 550D | 550D | ||||
| Type | f | f | a | a | a | d | d | d | |
| Lens | 3.5/30 | 3.5/300 | 1.4/50 | 1.4/50 | 1.4/50 | 3.5/8 | 3.5/5 | 3.5/8 | |
| Resolution | ... | ... | 768 × 576 | 768 × 576 | 768 × 576 | 5616 × 3744 | 5184 × 3456 | 5184 × 3456 | |
| FOV (deg) | 180 | 45 × 30 | 50 | 50 | 50 | 180 | 180 | 120 × 90 | |
Notes. DSLR stands for digital single-lens reflex camera; type “f” stands for photographic film, “a” for analog, and “d” for digital record; resolution is in pixels; FOV is field of view. Image-intensified cameras were equipped with the same image intensifier Mullard XX1332 and were operated at a frame rate of 25 frames per second. The spectral video camera was equipped with a grating with 600 grooves/mm, and exposure time of all DSLR cameras was 31.5 s.
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