41P/Tuttle-Giacobini-Kresak (Record n° 17462)
Orbital period : 5.43 years
NASA/JPL elements
IAU/MPC elements
On 2017 Mar 16 23h59 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 13.7 Aperture radius used for m2 9 " Coma diameter 12.5 ' r (dist/Sun) 1.111 AU d (dist/Earth) 0.163 AU Right ascension 10 30 56.05 h m s Declination +47 50 55.6 ° ' " Instrument perso Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1491 mm Instrument focale/diameter 7.45 Filter(s) L Camera ATIK 460 EX Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2749x2199 Sensor temperature -15 °C Binning 2x2 Mount VMA300 Valmeca Motorization Yes Autoguide No Exposure total time 570 s Exposure details 19x30s Air mass 1.04 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog GSC (HST) Used softwares PRISM Image resize factor 0.8733 Resulting picture sampling (scale) 1.26 "/pix Image processing prétraitement images (flat offset) addition Prism /analyse/ addition optimisée pour astéroïdes comètes
astrométrie: Prism /analyse/ Astrométrie
photométrie: Prism/analyse/Photométrie Remarks or comments échantillonnage de 1.26"/pixel correspond à un pixel de 9.08 (binning) Observation submission date 2017 Apr 09 10h54m53s Observation modification date 2017 May 20 12h26m48s