Home

29P/Schwassmann-Wachmann

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 m10.775 '
Nuclear magnitude (m2)13.4
m2 standard deviation0.1
Aperture radius used for m25.6 "
Coma diameter8 '
r (dist/Sun) 6.313 AU
d (dist/Earth) 5.520 AU
Right ascension11 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 configurationConfig1
InstrumentT540
Instrument typeNewton
Instrument aperture (0=naked eye)540 mm
Instrument focale length2025 mm
Instrument focale/diameter3.75
Filter(s)L
CameraAtik 460EX
SensorCCD
Sensor size10x12.5 mm2
Sensor pixels number10x12.5
Sensor temperature-10 °C
Binning2x2
MountVMA300
Exposure total time1500 s
Exposure details25x60s
Air mass1.55
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogATLAS2
Used softwaresTycho Tracker
Image resize factor1
Resulting picture sampling (scale)0.93 "/pix
Image processingPrism11 & Gimp
Remarks or commentsLa coma se présente en 2 parties: La première sur environ 1' d'arc et la seconde sur 8' d'arc
Observation submission date2026 Apr 19 09h50m13s
Observation modification date2026 Apr 19 10h01m46s

(Record n° 31355)

Home