BSGC Instruments
The Bisei Spaceguard Center has the 1 m, 50 cm, and 25 cm telescopes. The data obtained by 1 m telescope are archived at DARTS. The optics design with the large field of view is suitable for asteroids and space debris surveys compared to other same size aperture telescopes.
| Characteristics of the 1 m telescope | ||
|---|---|---|
| Primary mirror aperture | 1 m | |
| Focal length | 2930 mm | |
| Field of view | 72 × 148 arcmin | |
| Limiting magnitude | 18.7 mag (2-min exposure) | |
| CCD Camera | PV camea (until January 2009) | New-type camera (after January 2009) |
| Chip number | b1, b2, b3 | g1, g2, g3, g4 |
| Number of pixels | 1024 × 2048 pix (2 × 2 binning) | 4169 × 2048 pix (without binning) 2087 × 1024pix (2 × 2 binning) |
| Pixel scale | 2.110 arcsec/pix (2 × 2 binning) | 1.058 arcsec/pix (without binning) 2.117 arcsec/pix (2 × 2 binning) |
| Filter | W, C: Wideband filter(490-910 nm) V:Johnson V filter R: Cousins Rc filter I: Johnson IJ filter |
W, C: Wideband filter(490-910 nm) G: SLOAN/SDSS filter g' R: SLOAN/SDSS filter r' I: SLOAN/SDSS filter i' Z: SLOAN/SDSS filter z' |
Observation site
- Bisei Spaceguard Center Large Observation Building (1-meter telescope dome)
- East Longitude : 133°32'39"
- North Latitude : 34°40'21"
- Elevation : 463 m