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21P/Giacobini-Zinner

Orbital period : 6.54 years

NASA/JPL elements
IAU/MPC elements


On 2018 May 18 07h48 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)16
m2 standard deviation0.2
Aperture radius used for m26.4 "
r (dist/Sun) 1.812 AU
d (dist/Earth) 1.333 AU
Right ascension20 07 56.81 h m s
Declination+26 18 47.4 ° ' "
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/5.4 Ritchey-Chretien + CCD
COM Aperture radius for m1 m2 : 0.54' 6.4"
ACK MPCReport file updated 2018.05.18 12:40:14
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0021P         C2018 05 18.32468 20 07 56.81 +26 18 47.4          16.1 N      W96
0021P         C2018 05 18.34096 20 07 58.24 +26 19 15.7          15.8 N      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
CameraQHY
SensorCCD
Sensor temperature-20 °C
Binning2x2
MountVMA 200
AutoguideNo
Exposure details10x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.07 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (crop, levels, ddp)
Observation submission date2018 May 18 12h44m38s
Observation modification date2018 May 18 13h55m08s

(Record n° 19176)

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