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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2014 Nov 06 20h43 UT by Hubert Boussier


(Copyright Hubert Boussier)

Nuclear magnitude (m2)15.2
m2 standard deviation0.1
Aperture radius used for m212 "
r (dist/Sun) 2.642 AU
d (dist/Earth) 1.845 AU
Right ascension05 04 20.46 h m s
Declination+50 33 54.2 ° ' "
MPC report
COD K21
CON Hubert Boussier [astrild@orange.fr]
OBS H. Boussier
MEA H. Boussier
TEL 0.127-m f/10 Schimidt-Cassegrain f/7.3 focal reducer+CCD ST7XME
ACK MPCReport file updated 2014.11.06 22:09:54
AC2 astrild@orange.fr
NET UCAC-4
0017P        KC2014 11 06.86323 05 04 20.46 +50 33 54.2          15.3 N      K21
0017P        KC2014 11 06.87268 05 04 19.95 +50 33 56.3          15.2 N      K21
0017P        KC2014 11 06.88178 05 04 19.43 +50 33 57.8          15.2 N      K21
Instrument typeCassegrain
Instrument aperture (0=naked eye)127 mm
Instrument focale length1270 mm
Instrument focale/diameter10
Filter(s)L
CameraSBIG ST7-XME
SensorCCD
Sensor size6.9x4.6 mm2
Sensor pixels number765x510
Sensor temperature-15 °C
Binning1x1
MountSphinx Vixen
MotorizationYes
AutoguideYes
Exposure total time2160 s
Exposure details12x180
Sky transparency (naked eye max mag)3
Observatory MPC codeK21
Location84450
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2 "/pix
Observation submission date2014 Nov 06 23h18m51s
Observation modification date2014 Nov 06 23h31m27s

(Record n° 12897)

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