29P/Schwassmann-Wachmann (Record n° 31355)
Orbital period : 14.91 years
NASA/JPL elements
IAU/MPC elements
On 2026 Apr 18 20h24 UT by Patrick Ditz
(Copyright Patrick Ditz)Coma Total magnitude (m1) 10.8 Aperture radius used for m1 0.775 ' Nuclear magnitude (m2) 13.4 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " Coma diameter 8 ' r (dist/Sun) 6.313 AU d (dist/Earth) 5.520 AU Right ascension 11 02 05.00 h m s Declination -01 26 15.6 ° ' " MPC report COD K97
CON P.Ditz
OBS P.Ditz
MEA P.Ditz
TEL 0.54-m f/3.75 reflector + CCD
NUM 3
ACK MPCReport CodK97-PDI #0029P obs2026-04-18 (L_26x60s_bin2) file updated 2026.04.19 08:08:12
NET ATLAS2
AC2 patrick.ditz@wanadoo.fr,pat.ditz@gmx.fr
0029P KC2026 04 18.85010 11 02 05.00 -01 26 15.6 13.4 V K97
0029P KC2026 04 18.85725 11 02 04.90 -01 26 14.8 13.3 V K97
0029P KC2026 04 18.86402 11 02 04.80 -01 26 14.1 13.4 V K97
Instrumental configuration Config1 Instrument T540 Instrument type Newton Instrument aperture (0=naked eye) 540 mm Instrument focale length 2025 mm Instrument focale/diameter 3.75 Filter(s) L Camera Atik 460EX Sensor CCD Sensor size 10x12.5 mm2 Sensor pixels number 10x12.5 Sensor temperature -10 °C Binning 2x2 Mount VMA300 Exposure total time 1500 s Exposure details 25x60s Air mass 1.55 Observatory MPC code K97 Location Freconrupt Reference stars catalog ATLAS2
Used softwares Tycho Tracker Image resize factor 1 Resulting picture sampling (scale) 0.93 "/pix Image processing Prism11 & Gimp Remarks or comments La coma se présente en 2 parties: La première sur environ 1' d'arc et la seconde sur 8' d'arc Observation submission date 2026 Apr 19 09h50m13s Observation modification date 2026 Apr 19 10h01m46s