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USNO-A2.0 Catalogue interface for BTA
scat     Query Form
Coordinates(J2000): R.A. : (hh mm ss) Dec. : (±dd mm ss)
Search radius: Maximum distance from center (arcsec)
Magnitude(R)Limits: Bright Limit Faint Limit
Output format:
Sort Output: Parameters for Image:
Max.# objects: Size: (pix.)       Rotation angle: (degr.)
coordinates from BTA TCS (cycles.)             data from catalogue
Catalogue short description (Russian)