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C/2023 A3 (Tsuchinshan-ATLAS)

Perihelion distance : 0.39 AU
Inclination to ecliptic : 139 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2023 Aug 06 22h26 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)16.6
Aperture radius for m10.2 '
Magnitude (MPC m2)16.6
Aperture radius for m210 "
Coma diameter0.2 '
Coma condensation degree (DC)9
r (dist/Sun) 5.794 AU
d (dist/Earth) 5.965 AU
Right ascension210.75433 °
Declination+1.71333 °
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 temperature12 °C
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time60 s
Exposure details30x2s
Sky transparency (naked eye max mag)5.5
Seeing2
Moon phase90 °
Moon elongation180 °
Air mass3.0
LocationBoulonville
Reference stars catalog (ast)APASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning, flat, alignement, somme, retrait gradient
Remarks or commentsparait stellaire (FWHM 9" contre 6.5" sur les étoiles)
Observation submission date2023 Aug 07 11h15m46s

(Record n° 27351)

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