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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Nov 30 06h53 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)15.6
m2 standard deviation0.1
Aperture radius used for m26.7 "
r (dist/Sun) 1.493 AU
d (dist/Earth) 0.853 AU
Right ascension07 08 17.86 h m s
Declination-38 45 17.4 ° ' "
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"
COM Aperture radius for m1 : 0.56'
ACK MPCReport file updated 2018.11.30 14:05:27
AC2 thierrynoel38a@free.fr
NET UCAC-4
0021P         C2018 11 30.28665 07 08 17.86 -38 45 17.4          15.6 R      W96
0021P         C2018 11 30.30037 07 08 16.74 -38 45 24.9          15.6 R      W96
0021P         C2018 11 30.31362 07 08 15.70 -38 45 32.8          15.5 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 details37x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.12 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop)
Observation submission date2018 Nov 30 14h10m20s
Observation modification date2018 Nov 30 19h20m18s

(Record n° 20093)

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