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123P/West-Hartley

Orbital period : 7.66 years

NASA/JPL elements
IAU/MPC elements


On 2019 Jan 12 02h36 UT by Joel Nicolas

Coma Total magnitude (m1)13.8
Nuclear magnitude (m2)14.4
m2 standard deviation0.0
Aperture radius used for m27.0 "
Coma diameter0.7 '
Afrho318 cm
Afrho error13 cm
r (dist/Sun) 2.135 AU
d (dist/Earth) 1.411 AU
Right ascension11 34 35.67 h m s
Declination+28 34 03.1 ° ' "
MPC report
COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK A77 2019.01.12 09:24:36
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0123P         C2019 01 12.10859 11 34 35.67 +28 34 03.1          14.3 R      A77
0123P         C2019 01 12.11196 11 34 35.84 +28 34 04.2          14.4 R      A77
0123P         C2019 01 12.11771 11 34 36.11 +28 34 05.3          14.4 R      A77
0123P         C2019 01 12.12182 11 34 36.24 +28 34 07.2          14.4 R      A77
0123P         C2019 01 12.12675 11 34 36.45 +28 34 08.3          14.4 R      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)R Bessel
CameraST8XME
SensorCCD
Sensor temperature-23 °C
Binning1x1
Air mass1.05
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Observation submission date2019 Jan 12 09h29m04s
Observation modification date2019 Jan 12 10h52m40s

(Record n° 20371)

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