DATABASE of JOINT PLATE ARCHIVE (DBGPA V2.0)

OUTPUT PREFERENCES   SEARCH PLATES:  FIELD OVERLAP OBJECTS BY IDs OR NUMBERS STAR CATALOGUES GUIDES SPECIALS Plate: unique ID: 18695 WFPDB-type ID: GUA040A000990A original log-number: 000990A archive ID: GUA040A RA: 12 h 30 m 24 s DEC: + 29 d 15 m 58 s date: 570821 UT: 184509 number of exp.: 3 Longest exposition: 21.3 min Expositions: 1; 1; 21.3 min object C/1957 P1 (Mrkos) object type: comet method: direct photograph, multiexposure emulsion: Agfa Astro filter: None spectrum: Pg dimensions:  24 X  24  cm observers: A.B.Onegina telescope: Double Long Focus Astrograph (MAO) type of frame: negative carrier: glass availability: The plate is not available shelf 0 box 0 notes: Orig.No.DLA-0990; Hour angle 6:16; Tube position "E"; T=+22 deg C; Pressure 746; Following exposures:Start time 184839,190635; Hour angle 6:20, 6:38; Duration 1.00, 21.30 quality:     Observational logbook Star Map - USNO2B     - FONAK L.Pakuliak. Questions, remarks and propositions are welcome.