{"aperture_cm":200,"archive":{"altitude_m":1760,"aperture_cm":200,"aperture_m":null,"archive_country":"Bulgaria","archive_town":"Rozhen","astronomer":"K.Stavrev","cameras":null,"catalog_form_direct":"C","catalog_form_prism":"","country":"Bulgaria","field_deg":1.0,"film":0,"focal_length_m":16.0,"idobs":"ROZ","instrument_id":"ROZ200","instrument_type":"RCr","lat_deg":41.71666666666667,"lon_deg":24.75,"marsden_no":71,"mirror_m":2.0,"n_direct":1995,"n_direct_uncertain":0,"n_plates":1984,"n_prism":null,"n_prism_uncertain":0,"observatory":"Rozhen","quality":"D","scale_arcsec_mm":13,"site":"Rozhen","suffix":"","timezone":2,"year_from":1979,"year_to":null},"band":"B","coord_code":"","date":"1981-06-07","dec_deg":-1.8458333333333334,"dim_x_cm":30,"dim_y_cm":30,"emulsion":"ZU21","exposure_min":30.0,"field_deg":1.0,"filter":"GG385","has_notes":0,"has_observer":1,"has_quality":0,"id":218355,"idobs":"ROZ","instrument_id":"ROZ200","jd":2444763.284722222,"method":1,"method_text":"direct photograph","multiexposure":1,"notes":[],"object":"M12","object_type":"","observers":["R.RUSSEV"],"plate_id":"ROZ200-000172","plate_no":172,"plate_suffix":"","quality":[],"ra_deg":251.78750000000005,"suffix":"","time_code":"","ut":"18:50:00"}