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509P/Catalina

Orbital period : 18.68 years

NASA/JPL elements
IAU/MPC elements


On 2025 Dec 21 20h07 UT by Jonathan Vilhem


(Copyright Jonathan Vilhem)

Nuclear magnitude (m2)18.0
r (dist/Sun) 3.733 AU
d (dist/Earth) 2.765 AU
Right ascension05 04 23.48 h m s
Declination+25 45 42.3 ° ' "
Instrument250/1000 QUATTRO
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1000 mm
Instrument focale/diameter4
Filter(s)None
CameraASI 533MM PRO
SensorCMOS
Sensor size11.31X11.31 mm2
Sensor pixels number3008X3008
Sensor temperature-10 °C
Binning4x4
MountEQ6R PRO
MotorizationYes
AutoguideNo
Exposure total time3500 s
Exposure details50X70SEC
Sky transparency (naked eye max mag)3
Seeing2
Observatory MPC code247
LocationSaint Jean Rohrbach Moselle France
Reference stars catalogAPASS
Used softwaresTYCHO
Remarks or commentsLeger vent + passage nuageux
Observation submission date2025 Dec 22 09h03m51s

(Record n° 30672)

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