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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2021 Aug 14 00h05 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)16.2
m2 standard deviation0.1
Aperture radius used for m26.5 "
r (dist/Sun) 2.462 AU
d (dist/Earth) 2.674 AU
Right ascension04 46 28.07 h m s
Declination+39 55 19.1 ° ' "
MPC report
COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK C10 2021.08.14 07:44:42
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0017P        KC2021 08 14.00315 04 46 28.07 +39 55 19.1          16.1 R      C10
0017P        KC2021 08 14.01456 04 46 29.10 +39 55 24.7          16.3 R      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
Filter(s)None
CameraST8-XME
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountF60a AXIS INSTRUMENTS
AutoguideNo
Exposure details15 x 60s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2021 Aug 14 07h46m46s
Observation modification date2021 Aug 14 14h19m21s

(Record n° 23780)

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