Home

21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Oct 12 08h41 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)11.5
Aperture radius used for m10.56 '
Nuclear magnitude (m2)13.3
m2 standard deviation0.0
Aperture radius used for m26.7 "
r (dist/Sun) 1.109 AU
d (dist/Earth) 0.523 AU
Right ascension07 10 40.27 h m s
Declination-13 04 23.4 ° ' "
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 2018.10.12 12:44:08
AC2 thierrynoel38a@free.fr
NET UCAC-4
0021P         C2018 10 12.36174 07 10 40.27 -13 04 23.4          13.3 N      W96
0021P         C2018 10 12.36494 07 10 40.49 -13 04 35.1          11.5 T      W96
0021P         C2018 10 12.36813 07 10 40.76 -13 04 46.0          13.3 N      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2000 mm
Instrument focale/diameter5
CameraAPOGEE ALTA
SensorCCD
Sensor temperature-25 °C
Binning2x2
MountVMA 200
AutoguideNo
Exposure details17x30s
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 (gradient, levels, ddp, crop)
Observation submission date2018 Oct 12 12h47m13s
Observation modification date2018 Oct 12 16h12m20s

(Record n° 19862)

Home