{"aperture_cm":40,"archive":{"altitude_m":146,"aperture_cm":40,"aperture_m":0.4,"archive_country":"UK Scotland","archive_town":"Edinburgh","astronomer":"M.Cranston","cameras":null,"catalog_form_direct":"","catalog_form_prism":"C","country":"UK Scotland","field_deg":4.0,"film":0,"focal_length_m":1.53,"idobs":"ROE","instrument_id":"ROE040P","instrument_type":"Sch","lat_deg":55.92333333333333,"lon_deg":-3.183333333333333,"marsden_no":null,"mirror_m":0.6,"n_direct":null,"n_direct_uncertain":0,"n_plates":827,"n_prism":827,"n_prism_uncertain":0,"observatory":"Royal Obs.","quality":"A","scale_arcsec_mm":135,"site":"Edinburgh","suffix":"P","timezone":0,"year_from":1962,"year_to":1974},"band":"","coord_code":"M","date":null,"dec_deg":null,"dim_x_cm":null,"dim_y_cm":null,"emulsion":"R40","exposure_min":7.0,"field_deg":4.0,"filter":"CC50Y+","has_notes":1,"has_observer":0,"has_quality":0,"id":1539,"idobs":"ROE","instrument_id":"ROE040P","jd":null,"method":4,"method_text":"objective prism","multiexposure":1,"notes":["OLD OBJ.PRISM (1000 A/MM); FILTER:CC50Y+BG33;"],"object":"PLEIADES","object_type":"","observers":[],"plate_id":"ROE040P-000302B","plate_no":302,"plate_suffix":"B","quality":[],"ra_deg":null,"suffix":"P","time_code":"M","ut":null}