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C/2020 T2 (Palomar)

Orbital period : 4318.00 years

NASA/JPL elements
IAU/MPC elements


On 2021 Jun 05 23h13 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)11.1
Aperture radius used for m13.0 '
Nuclear magnitude (m2)14.0
Aperture radius used for m26.0 "
Coma diameter5 '
Coma condensation degree (DC)5
r (dist/Sun) 2.100 AU
d (dist/Earth) 1.456 AU
Right ascension13 36 55.9 h m s
Declination+21 08 42 ° ' "
Instrumental configurationConfig1
InstrumentT407 Dobson sur table equatoriale
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 size36x24 mm2
Sensor pixels number4240x2832
Sensor temperature12 °C
Binning2x2
MountDobson posé sur Table equatoriale
MotorizationYes
AutoguideNo
Exposure total time100.8 s
Exposure details19x3.2s+16x2.5s
Sky transparency (naked eye max mag)5.5
Seeing3
Air mass1.4
LocationBoulonville (28)
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2.0 "/pix
Image processingbiining, division flat grossier (oublié d'en faire...), alignement, somme
Remarks or commentsmV=10.8, mR=11.6, mB=10.9
Observation submission date2021 Jun 06 23h09m05s

(Record n° 23442)

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