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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 05 20h58 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)12.1
m2 standard deviation0.0
Aperture radius used for m27.5 "
Coma diameter12 '
Tail position angle (PA)236 °
r (dist/Sun) 1.136 AU
d (dist/Earth) 0.563 AU
Right ascension00 46 51.85 h m s
Declination+66 26 08.5 ° ' "
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 file 21P 2018/08/05
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P         C2018 08 05.87327 00 46 51.85 +66 26 08.5          12.1 N      K97
0021P         C2018 08 05.87633 00 46 53.73 +66 26 09.7          12.1 N      K97
0021P         C2018 08 05.88474 00 46 59.00 +66 26 13.1          12.1 N      K97
0021P         C2018 08 05.88772 00 47 00.82 +66 26 14.3          12.1 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-8 °C
Binning2x2
MountVMA300
Exposure total time1025 s
Exposure details41x25s
Air mass1.5
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: PA 236: 15', perpendiculaire: 9' longueur de la queue > 25'
Observation submission date2018 Aug 06 10h25m37s
Observation modification date2018 Aug 06 10h29m49s

(Record n° 19436)

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