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171P/Spahr

Orbital period : 6.70 years

NASA/JPL elements
IAU/MPC elements


On 2018 Dec 14 07h35 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)17.2
m2 standard deviation0.1
Aperture radius used for m26.7 "
r (dist/Sun) 1.794 AU
d (dist/Earth) 0.858 AU
Right ascension04 33 50.00 h m s
Declination-00 00 26.5 ° ' "
MPC report
COD W96
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, J.-B. de Vanssay, T. Noel
MEA T. Noel
TEL 0.4-m f/5 Ritchey-Chretien + CCD
COM Aperture radius for m2 : 6.7"
ACK MPCReport file updated 2018.12.14 16:14:18
AC2 thierrynoel38a@free.fr
NET UCAC-4
0171P        KC2018 12 14.31577 04 33 50.00 -00 00 26.5          17.1 R      W96
0171P        KC2018 12 14.32624 04 33 49.47 -00 00 14.3          17.2 R      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2000 mm
Instrument focale/diameter5
CameraAPOGEE
SensorCCD
Sensor temperature-25 °C
Binning2x2
MountVMA 200
AutoguideNo
Exposure details12x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.12 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop)
Observation submission date2018 Dec 14 16h19m23s
Observation modification date2018 Dec 14 20h29m18s

(Record n° 20171)

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