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An astrograph (or astrographic camera) is a telescope designed for the sole purpose of astrophotography. Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects such as asteroids, meteors, and comets.
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used astrographs sky telescope objects astrophotography designed images photographic two designs plate many one photography using refractors pluto amateur field
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| asteroids | instance of | Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects | 0.80 | text |
| meteors | instance of | Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects | 0.80 | text |
| and comets.Improvements in photography in the middle 19th century led to designs dedicated to astrophotography | instance of | Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects | 0.80 | text |
| and they were also popular in the 20th century | instance of | Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects | 0.80 | text |
| the Schmidt camera | instance of | reflecting designs such as the Ritchey-Chrétien and catadioptrics | 0.80 | text |
| asteroids | instance of | it is possible to find objects | 0.80 | text |
| meteors | instance of | it is possible to find objects | 0.80 | text |
| comets | instance of | it is possible to find objects | 0.80 | text |
| variable stars | instance of | it is possible to find objects | 0.80 | text |
| novae | instance of | it is possible to find objects | 0.80 | text |
| and even unknown planets | instance of | it is possible to find objects | 0.80 | text |
| a blink comparator | instance of | using a device | 0.80 | text |
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