21P/Giacobini-Zinner (Record n° 19742)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 18 01h47 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 11.8 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 8.4 ' Tail position angle
(PA) 277 ° r (dist/Sun) 1.019 AU d (dist/Earth) 0.401 AU Right ascension 06 18 22.66 h m s Declination +19 45 35.6 ° ' " 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 2018/09/18
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P C2018 09 18.07414 06 18 22.66 +19 45 35.6 11.8 N K97
0021P C2018 09 18.07795 06 18 23.38 +19 45 12.4 11.8 N K97
0021P C2018 09 18.08205 06 18 24.16 +19 44 47.4 11.7 N K97
0021P C2018 09 18.08378 06 18 24.48 +19 44 37.4 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 -10 °C Binning 2x2 Mount VMA300 Exposure total time 435 s Exposure details 29x15s Air mass 1.8 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 Longueur de la queue > 21' Observation submission date 2018 Sep 18 11h19m30s Observation modification date 2018 Sep 18 11h22m54s