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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2021 Jul 10 02h09 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)16.7
m2 standard deviation0.1
Aperture radius used for m26 "
r (dist/Sun) 2.338 AU
d (dist/Earth) 2.879 AU
Right ascension03 39 11.13 h m s
Declination+34 45 55.5 ° ' "
MPC report
COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK L27 2021.07.10 04:41:02
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P        KC2021 07 10.08940 03 39 11.13 +34 45 55.5          16.7 R      L27
0017P        KC2021 07 10.09496 03 39 11.76 +34 45 59.0          16.7 R      L27
0017P        KC2021 07 10.10051 03 39 12.48 +34 46 02.4          16.6 R      L27
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length875 mm
Instrument focale/diameter3.5
Filter(s)None
CameraATIK 414-EX-
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountPARAMOUNT-ME-
AutoguideNo
Exposure details30 x 60s
Observatory MPC codeL27
LocationDauban (04)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.49 "/pix
Observation submission date2021 Jul 10 04h42m53s
Observation modification date2021 Jul 10 04h49m16s

(Record n° 23585)

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