Home

29P/Schwassmann-Wachmann

Orbital period : 14.85 years

NASA/JPL elements
IAU/MPC elements


On 2024 Feb 12 21h13 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)12.5
Aperture radius used for m11.5 '
Nuclear magnitude (m2)14.8
Aperture radius used for m26 "
Coma diameter3.0 '
Coma condensation degree (DC)3
r (dist/Sun) 6.177 AU
d (dist/Earth) 5.248 AU
Instrumental configurationConfig1
InstrumentDobson 407mm F/D 4.3
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
Instrument focale/diameter4.29
Filter(s)None
CameraSONY alpha7S
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature3 °C
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time63.2 s
Exposure details22x2+12x1.6s
Sky transparency (naked eye max mag)5.5
Seeing3
Moon phase140 °
Moon elongation180 °
Air mass1.4
LocationBoulonville
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning,flat,alignement,somme,retrait gradient
Observation submission date2024 Feb 14 17h40m23s

(Record n° 28206)

Home