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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2024 Jan 19 06h04 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)8.9
Aperture radius used for m12 '
Nuclear magnitude (m2)11.6
Aperture radius used for m26 "
Coma diameter3 '
Coma condensation degree (DC)6
r (dist/Sun) 1.765 AU
d (dist/Earth) 2.055 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 temperature-3 °C
Binning2x2
MountDobson
MotorizationNo
AutoguideNo
Exposure total time37.7 s
Exposure details92x1/4+44x1/3s
Sky transparency (naked eye max mag)4
Seeing3
Moon phase90 °
Moon elongation180 °
Air mass2.46
LocationVersailles
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingBinning, flat, alignement, alignement comète, somme, retrait gradient
Observation submission date2024 Jan 19 15h29m43s

(Record n° 28082)

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