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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2020 Nov 22 17h14 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)16.1
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 2.193 AU
d (dist/Earth) 2.590 AU
Right ascension19 54 06.18 h m s
Declination-23 27 00.1 ° ' "
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 2020.11.23 09:32:37
AC2 fkugel@free.fr
NET NOMAD
0017P        KC2020 11 22.71800 19 54 06.18 -23 27 00.1          16.2 V      A77
0017P        KC2020 11 22.72448 19 54 06.97 -23 26 55.6          16.0 V      A77
0017P        KC2020 11 22.73015 19 54 07.64 -23 26 51.4          16.0 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-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details8x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2020 Nov 23 09h34m39s
Observation modification date2020 Nov 23 09h40m07s

(Record n° 22678)

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