123P/West-Hartley (Record n° 20371)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2019 Jan 12 02h36 UT by Joel NicolasComa Total magnitude (m1) 13.8 Nuclear magnitude (m2) 14.4 m2 standard deviation 0.0 Aperture radius used for m2 7.0 " Coma diameter 0.7 ' Afrho 318 cm Afrho error 13 cm r (dist/Sun) 2.135 AU d (dist/Earth) 1.411 AU Right ascension 11 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 configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) R Bessel Camera ST8XME Sensor CCD Sensor temperature -23 °C Binning 1x1 Air mass 1.05 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2019 Jan 12 09h29m04s Observation modification date 2019 Jan 12 10h52m40s