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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 11 22h39 UT by Lionel Rousselot


(Copyright Lionel Rousselot)

Nuclear magnitude (m2)11.6
Aperture radius used for m28.7 "
r (dist/Sun) 1.101 AU
d (dist/Earth) 0.520 AU
Right ascension01 53 45 10 h m s
Declination+66 03 07.3 ° ' "
InstrumentSkywatcher 254/1200
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length1080 mm
Instrument focale/diameter4.25
Filter(s)None
CameraZWO 1600 monochrome
SensorCCD
Sensor temperature-20 °C
Binning2x2
MountAZ eq6
TrackingYes
AutoguideYes
Exposure total time400 s
Exposure details20*20s
Seeing4
Moon phase180 °
Locationvierzon france
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.45 "/pix
Observation submission date2018 Aug 12 22h49m05s

(Record n° 19472)

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