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21P/Giacobini-Zinner

Orbital period : 6.57 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 deviation0.1
Aperture radius used for m27.5 "
Coma diameter4 '
r (dist/Sun) 1.227 AU
d (dist/Earth) 0.663 AU
Right ascension22 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 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-10.5 °C
Binning2x2
MountVMA300
Exposure total time870 s
Exposure details29x30s
Moon phase25 °
Moon elongation106 °
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 commentsLa coma est ovale avec un grand axe dans la direction PA 229°. dimensions: 3'46" x 5'23"
Observation submission date2018 Jul 24 10h49m15s
Observation modification date2018 Jul 24 10h56m35s

(Record n° 19392)

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