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C/2019 L3 (ATLAS)

Perihelion distance : 3.56 AU
Inclination to ecliptic : 48 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2021 Sep 02 02h01 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)11.5
Aperture radius for m11.0 '
Magnitude (MPC m2)13.3
Aperture radius for m26 "
Coma diameter1.6 '
Coma condensation degree (DC)7
r (dist/Sun) 3.745 AU
d (dist/Earth) 4.126 AU
Right ascension104.52917 °
Declination+45.43194 °
Instrumental configurationConfig1
InstrumentDobson 407mm F/D 4.3
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
FilterNone
CameraSONY alpha7S
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature13 °C
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time44 s
Exposure details22*2s
Sky transparency (naked eye max mag)5.5
Seeing3
Moon phase135 °
Moon elongation20 °
Air mass1.8
LocationBoulonville
Reference stars catalog (ast)APASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning, flat, alignement, somme, retrait gradient
Observation submission date2021 Sep 05 00h04m52s

(Record n° 23907)

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