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C/2019 Y4 (ATLAS)

Orbital period : 5870.00 years

NASA/JPL elements
IAU/MPC elements


On 2020 Mar 12 21h45 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)10.0
Aperture radius used for m13.5 '
Nuclear magnitude (m2)12.9
Aperture radius used for m210 "
Coma diameter7 '
Coma condensation degree (DC)4
r (dist/Sun) 1.823 AU
d (dist/Earth) 1.137 AU
Right ascension10 08 30.8 h m s
Declination+64 44 50 ° ' "
Instrumental configurationConfig1
InstrumentT407mm Dobson
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
Instrument focale/diameter4.29
Filter(s)None
CameraSony alpha7s
SensorDC
Sensor size24x36 mm2
Sensor pixels number2828x4240
Sensor temperature7 °C
Binning2x2
MountDobson
MotorizationNo
AutoguideNo
Exposure total time17 s
Exposure details8x0.5+7x0.7+6x1+2sec
Sky transparency (naked eye max mag)6
Seeing4
Moon phase45 °
Moon elongation100 °
Air mass1.1
LocationBoulonville
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingdivision flat, alignement, somme
Remarks or commentsPas de suivi motorisé
Observation submission date2020 Mar 13 17h55m02s

(Record n° 21718)

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