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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2021 Jul 09 02h04 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) 2.335 AU
d (dist/Earth) 2.883 AU
Right ascension03 37 08.50 h m s
Declination+34 35 29.3 ° ' "
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 2021.07.09 04:34:39
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P        KC2021 07 09.08644 03 37 08.50 +34 35 29.3          16.7 R      L27
0017P        KC2021 07 09.09200 03 37 09.18 +34 35 32.8          16.6 R      L27
0017P        KC2021 07 09.09755 03 37 09.85 +34 35 36.0          16.7 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 09 04h36m28s
Observation modification date2021 Jul 09 04h43m56s

(Record n° 23576)

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