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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2020 Oct 31 18h15 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)16.2
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 2.251 AU
d (dist/Earth) 2.418 AU
Right ascension19 13 46.10 h m s
Declination-27 25 59.7 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2020.10.31 21:48:03
AC2 fkugel@free.fr
NET NOMAD
0017P        KC2020 10 31.76056 19 13 46.10 -27 25 59.7          16.2 V      A77
0017P        KC2020 10 31.76635 19 13 46.73 -27 25 56.4          16.2 V      A77
0017P        KC2020 10 31.77098 19 13 47.18 -27 25 53.8          16.2 V      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details9x90s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2020 Oct 31 21h51m32s
Observation modification date2020 Oct 31 22h05m22s

(Record n° 22555)

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