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29P/Schwassmann-Wachmann

Orbital period : 14.85 years

NASA/JPL elements
IAU/MPC elements


On 2021 Oct 14 02h32 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)11.0
Aperture radius used for m11.26 '
Nuclear magnitude (m2)14.4
Aperture radius used for m26 "
Coma diameter2.30 '
Coma condensation degree (DC)5
r (dist/Sun) 5.921 AU
d (dist/Earth) 5.311 AU
Right ascension04 57 00 h m s
Declination+32 06 00 ° ' "
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 alpha 7s
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature6 °C
Binning2x2
MountDobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time104.2 s
Exposure details6*4+18*3.2+17*2.5s
Sky transparency (naked eye max mag)5.5
Seeing2
Moon phase90 °
Moon elongation180 °
Air mass1.1
LocationBoulonville
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning,flat,alignement,alignement, retrait gradient
Observation submission date2021 Oct 15 19h06m11s

(Record n° 24181)

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