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21P/Giacobini-Zinner

Orbital period : 6.57 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 deviation0.1
Aperture radius used for m27.5 "
Coma diameter9 '
Tail position angle (PA)246 °
r (dist/Sun) 1.101 AU
d (dist/Earth) 0.520 AU
Right ascension01 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 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-15 °C
Binning2x2
MountVMA300
Exposure total time975 s
Exposure details39x25s
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 commentsComa ovale : 18'30" en PA 247° et 9' perpendiculairement
Observation submission date2018 Aug 12 12h39m19s
Observation modification date2018 Aug 16 09h55m55s

(Record n° 19468)

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