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C/2025 R3 (PANSTARRS)


NASA/JPL elements
IAU/MPC elements


On 2026 Mar 29 04h04 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)7.5
Aperture radius used for m12 '
Nuclear magnitude (m2)10.0
Aperture radius used for m28.5 "
Coma diameter3.6 '
Coma condensation degree (DC)6
Tail length0.17 °
Tail position angle (PA)305 °
Afrho1631 cm
Afrho error41 cm
r (dist/Sun)0.714 AU
d (dist/Earth)1.340 AU
Instrumental configurationConfig2
InstrumentDobson T256mm
Instrument typeNewton
Instrument aperture (0=naked eye)256 mm
Instrument focale length1269 mm
Instrument focale/diameter4.95
Filter(s)None
CameraSony alpha7s
SensorDC
Sensor size36x24 mm2
Sensor pixels number4240x2832
Sensor temperature15 °C
Binning2x2
MountDobson
MotorizationNo
AutoguideNo
Exposure total time23 s
Exposure details57x1/4+43x1/5s
Sky transparency (naked eye max mag)4.5
Seeing2
Moon phase30 °
Moon elongation160 °
Air mass4
LocationVersailles
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2.75 "/pix
Image processingbinning flat alignement somme retrait gradient
Remarks or commentsAfrho couche R (RAW)
Observation submission date2026 Mar 29 22h08m00s
Observation modification date2026 Mar 29 22h10m29s

(Record n° 31246)

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