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THE SCHMIDT 92/67 TELESCOPE: THE TELESCOPE

Characteristics

  • Correcting plate: 67 cm diameter in UBK7 Schott glass
  • Spherical mirror: 92 cm diameter in Duran-50 Schott glass
  • Focal length: 215 cm (f/3.2, scale 95.9 arcsec/mm).

Until 1998 the telescope was used with a photographic plate of 20 x 20 cm.
The corresponding field-of-view was 5.1 x 5.1 degrees.


The telescope is equipped with a 67 cm, 4.5 degrees angle UV-transparent objective prism, with a reciprocal dispersion at H gamma of 650 /mm, and a 67 cm, 1 UV-transparent objective prism, with a reciprocal dispersion at H gamma of 1010 /mm. The two prisms can be used in direct or reversed combination.

Since December 2000 a 50'x 50' field of view CCD camera has been implemented as a joint collaboration between the Department of Astronomy and the Astronomical Observatory of Padova on one side, and DLR Berlin on the other.
A filter wheel with broadband filters is foreseen for September 2001.

The User Interface of the 67/90 Schmidt Telescope

 

Coordinates of the S67 central pillar
(Barbieri et al., 1992)
Astronomical Coordinates (East Longitude, Latitude)
+113422".19
(+0h46m17s.48)
+455040".18
Geodetic Coordinates
+113407".77
(+0h46m16s.52)
+455058".00
Elevation: 1410.2 m
Elevation above sea level:
1370 m


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