21P/Giacobini-Zinner (Record n° 19862)
Orbital period : 6.54 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 m1 0.56 ' Nuclear magnitude (m2) 13.3 m2 standard deviation 0.0 Aperture radius used for m2 6.7 " r (dist/Sun) 1.109 AU d (dist/Earth) 0.523 AU Right ascension 07 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
Instrument Marcon RC 400 Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2000 mm Instrument focale/diameter 5 Camera APOGEE ALTA Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 17x30s Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.12 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (gradient, levels, ddp, crop) Observation submission date 2018 Oct 12 12h47m13s Observation modification date 2018 Oct 12 16h12m20s