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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 15 20h26 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)11.7
m2 standard deviation0.0
Aperture radius used for m27.5 "
Coma diameter11 '
Tail position angle (PA)252 °
r (dist/Sun) 1.080 AU
d (dist/Earth) 0.493 AU
Right ascension02 38 03.87 h m s
Declination+64 37 59.4 ° ' "
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 2018/08/15
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P         C2018 08 15.85166 02 38 03.87 +64 37 59.4          11.7 N      K97
0021P         C2018 08 15.85426 02 38 05.64 +64 37 55.0          11.7 N      K97
0021P         C2018 08 15.85620 02 38 06.90 +64 37 51.7          11.7 N      K97
0021P         C2018 08 15.85910 02 38 08.89 +64 37 46.7          11.7 N      K97
InstrumentT200 F/D 7.45
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1490 mm
Instrument focale/diameter7.45
Filter(s)L
CameraATIK 460 EX
SensorCCD
Sensor size12.5x10.0 mm2
Sensor pixels number2749x2199
Sensor temperature-12 °C
Binning2x2
MountVMA300
Exposure total time620 s
Exposure details31x20s
Moon phase135 °
Moon elongation118 °
Air mass1.9
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentscoma ovale: 14' en PA 253° et 9' perpendiculairement
Observation submission date2018 Aug 16 10h57m40s
Observation modification date2018 Aug 16 11h04m54s

(Record n° 19506)

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