21P/Giacobini-Zinner (Record n° 19392)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jul 23 21h07 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 12.9 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 4 ' r (dist/Sun) 1.227 AU d (dist/Earth) 0.663 AU Right ascension 22 59 50.67 h m s Declination +62 26 24.8 ° ' " 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 21P 2018/07/23
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P C2018 07 23.87994 22 59 50.67 +62 26 24.8 12.9 N K97
0021P C2018 07 23.88562 22 59 52.76 +62 26 34.4 12.9 N K97
0021P C2018 07 23.88912 22 59 54.06 +62 26 40.2 12.8 N K97
0021P C2018 07 23.89221 22 59 55.20 +62 26 45.4 12.8 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 -10.5 °C Binning 2x2 Mount VMA300 Exposure total time 870 s Exposure details 29x30s Moon phase 25 ° Moon elongation 106 ° 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 La coma est ovale avec un grand axe dans la direction PA 229°. dimensions: 3'46" x 5'23" Observation submission date 2018 Jul 24 10h49m15s Observation modification date 2018 Jul 24 10h56m35s