21P/Giacobini-Zinner (Record n° 19436)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 05 20h58 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 12.1 m2 standard deviation 0.0 Aperture radius used for m2 7.5 " Coma diameter 12 ' Tail position angle
(PA) 236 ° r (dist/Sun) 1.136 AU d (dist/Earth) 0.563 AU Right ascension 00 46 51.85 h m s Declination +66 26 08.5 ° ' " MPC report COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.45 reflector + CCD
ACK MPCReport file 21P 2018/08/05
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P C2018 08 05.87327 00 46 51.85 +66 26 08.5 12.1 N K97
0021P C2018 08 05.87633 00 46 53.73 +66 26 09.7 12.1 N K97
0021P C2018 08 05.88474 00 46 59.00 +66 26 13.1 12.1 N K97
0021P C2018 08 05.88772 00 47 00.82 +66 26 14.3 12.1 N K97
Instrumental configuration Config1 Instrument T200 F/D 7.45 Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1490 mm Instrument focale/diameter 7.45 Filter(s) L Camera ATIK 460 EX Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2749x2199 Sensor temperature -8 °C Binning 2x2 Mount VMA300 Exposure total time 1025 s Exposure details 41x25s Air mass 1.5 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.26 "/pix Image processing PRISM Remarks or comments Coma ovale: PA 236: 15', perpendiculaire: 9'
longueur de la queue > 25' Observation submission date 2018 Aug 06 10h25m37s Observation modification date 2018 Aug 06 10h29m49s