{"aperture_cm":17,"archive":{"altitude_m":640,"aperture_cm":17,"aperture_m":0.17,"archive_country":"Germany","archive_town":"Sonneberg","astronomer":"H-J.Braeuer","cameras":null,"catalog_form_direct":"C","catalog_form_prism":"","country":"Germany","field_deg":9.4,"film":0,"focal_length_m":1.2,"idobs":"SON","instrument_id":"SON017","instrument_type":"Cam","lat_deg":50.37833333333333,"lon_deg":11.191666666666666,"marsden_no":31,"mirror_m":null,"n_direct":7976,"n_direct_uncertain":0,"n_plates":7976,"n_prism":null,"n_prism_uncertain":0,"observatory":"Sonneberg","quality":"A","scale_arcsec_mm":170,"site":"Sonneberg","suffix":"","timezone":1,"year_from":1923,"year_to":1971},"band":"","coord_code":"","date":"1924-04-07","dec_deg":28.778888888888886,"dim_x_cm":20,"dim_y_cm":20,"emulsion":"","exposure_min":null,"field_deg":9.4,"filter":"","has_notes":0,"has_observer":0,"has_quality":0,"id":144500,"idobs":"SON","instrument_id":"SON017","jd":2423883.492002315,"method":1,"method_text":"direct photograph","multiexposure":1,"notes":[],"object":"V LMI","object_type":"","observers":[],"plate_id":"SON017-000024","plate_no":24,"plate_suffix":"","quality":[],"ra_deg":156.45,"suffix":"","time_code":"","ut":"23:48:29"}