21P/Giacobini-Zinner (Record n° 19367)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jul 19 21h24 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 13 m2 standard deviation 0.0 Aperture radius used for m2 7.5 " Coma diameter 5.5 ' r (dist/Sun) 1.258 AU d (dist/Earth) 0.695 AU Right ascension 22 37 22.92 h m s Declination +60 31 55.8 ° ' " 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 2018/07/19
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P C2018 07 19.89149 22 37 22.92 +60 31 55.8 13.0 N K97
0021P C2018 07 19.89501 22 37 24.00 +60 32 02.3 13.0 N K97
0021P C2018 07 19.89808 22 37 24.94 +60 32 07.9 13.0 N K97
0021P C2018 07 19.90556 22 37 27.24 +60 32 21.8 13.0 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 -10 °C Binning 2x2 Mount VMA300 Exposure total time 1170 s Exposure details 39x30s Moon phase 74 ° Moon elongation 114 ° Air mass 1.3 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 relativement dissymétrique. Axe le plus long en PA 227° à 6'5 Observation submission date 2018 Jul 21 14h04m20s Observation modification date 2018 Jul 21 14h09m55s