| Original recorded date: | 
                        1912-01-17               | 
                    
                    
                        | Number of exposures: | 
                        1 | 
                    
                    
                        | Observatory name: | 
                        Hamburger Sternwarte | 
                    
                    
                        | Observatory site name: | 
                        Hamburg-Bergedorf; Germany | 
                    
                    
                        | East longitude of the observing site: | 
                        10.242 deg | 
                    
                    
                        | Latitude of the observing site: | 
                        53.482 deg | 
                    
                    
                        | Elevation of the observatory site: | 
                        41.0 m | 
                    
                    
                        | Clear aperture of the telescope: | 
                        1.0 m | 
                    
                    
                        | Focal length of the telescope: | 
                        3.0 m | 
                    
                    
                        | Plate scale of the telescope: | 
                        69.0 arcsec/mm | 
                    
                    
                        | Instrument name: | 
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                        | Observation filter: | 
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                        | Observation method code (following WFPDB): | 
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                        | Observation prism used: | 
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                        | Used grating: | 
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                        | Air temperature: | 
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                        | Calmness (seeing conditions): | 
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                        | Sharpness: | 
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                        | Transparency: | 
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                        | Notes on sky conditions: | 
                         |