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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Jul 27 21h08 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)12.6
m2 standard deviation0.0
Aperture radius used for m27.5 "
Coma diameter6 '
r (dist/Sun) 1.197 AU
d (dist/Earth) 0.631 AU
Right ascension23 26 50.14 h m s
Declination+64 07 30.9 ° ' "
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 2018/07/27
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P         C2018 07 27.88061 23 26 50.14 +64 07 30.9          12.6 N      K97
0021P         C2018 07 27.88760 23 26 53.22 +64 07 41.0          12.6 N      K97
0021P         C2018 07 27.89552 23 26 56.71 +64 07 52.3          12.6 N      K97
Instrumental configurationConfig1
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-6 °C
Binning2x2
MountVMA300
Exposure total time1170 s
Exposure details39x30s
Air mass1.4
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsLes poses ont été réalisées lors de l'éclipse de Lune. Ainsi la Lune était peu gênante. Coma ovale: 9'38" axe Pa 235°, 5'51" pour l'axe perpendiculaire
Observation submission date2018 Jul 28 10h35m22s
Observation modification date2018 Jul 28 10h45m26s

(Record n° 19419)

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