21P/Giacobini-Zinner (Record n° 19419)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jul 27 21h08 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 12.6 m2 standard deviation 0.0 Aperture radius used for m2 7.5 " Coma diameter 6 ' r (dist/Sun) 1.197 AU d (dist/Earth) 0.631 AU Right ascension 23 26 50.14 h m s Declination +64 07 30.9 ° ' " 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 21P 2018/07/27
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P C2018 07 27.88061 23 26 50.14 +64 07 30.9 12.6 N K97
0021P C2018 07 27.88760 23 26 53.22 +64 07 41.0 12.6 N K97
0021P C2018 07 27.89552 23 26 56.71 +64 07 52.3 12.6 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 -6 °C Binning 2x2 Mount VMA300 Exposure total time 1170 s Exposure details 39x30s Air mass 1.4 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 Les poses ont été réalisées lors de l'éclipse de Lune. Ainsi la Lune était peu gênante. Coma ovale: 9'38" axe Pa 235°, 5'51" pour l'axe perpendiculaire Observation submission date 2018 Jul 28 10h35m22s Observation modification date 2018 Jul 28 10h45m26s