21P/Giacobini-Zinner (Record n° 19468)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 11 22h18 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 11.7 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 9 ' Tail position angle
(PA) 246 ° r (dist/Sun) 1.101 AU d (dist/Earth) 0.520 AU Right ascension 01 53 35.08 h m s Declination +66 03 18.5 ° ' " 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 21P 2018/08/11
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P C2018 08 11.92910 01 53 35.08 +66 03 18.5 11.7 N K97
0021P C2018 08 11.93413 01 53 38.53 +66 03 14.6 11.7 N K97
0021P C2018 08 11.93939 01 53 42.12 +66 03 10.5 11.7 N K97
0021P C2018 08 11.94164 01 53 43.68 +66 03 08.8 11.8 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 -15 °C Binning 2x2 Mount VMA300 Exposure total time 975 s Exposure details 39x25s 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 Coma ovale : 18'30" en PA 247° et 9' perpendiculairement Observation submission date 2018 Aug 12 12h39m19s Observation modification date 2018 Aug 16 09h55m55s