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13P/Olbers

Orbital period : 68.50 years

NASA/JPL elements
IAU/MPC elements


On 2024 Jan 11 20h06 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)15.1
Aperture radius used for m10.5 '
Nuclear magnitude (m2)16.6
Aperture radius used for m26 "
Coma diameter0.6 '
Coma condensation degree (DC)6
r (dist/Sun)2.608 AU
d (dist/Earth)2.178 AU
Instrumental configurationConfig1
InstrumentDobson 407mm F/D 4.3
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
Instrument focale/diameter4.29
Filter(s)None
CameraSONY alpha7S
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature-3 °C
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time122 s
Exposure details45x1.6+25x2.0s
Sky transparency (naked eye max mag)5.5
Seeing2
Moon phase180 °
Moon elongation180 °
Air mass2.1
LocationBoulonville
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning,flat,alignement,somme,retrait gradient
Observation submission date2024 Jan 15 13h58m44s
Observation modification date2024 Feb 06 18h45m52s

(Record n° 28059)

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