21P/Giacobini-Zinner (Record n° 20093)
Orbital period : 6.54 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 deviation 0.1 Aperture radius used for m2 6.7 " r (dist/Sun) 1.493 AU d (dist/Earth) 0.853 AU Right ascension 07 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
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 Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 37x1mn 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 (levels, ddp, crop) Observation submission date 2018 Nov 30 14h10m20s Observation modification date 2018 Nov 30 19h20m18s