Home

C/2017 M4 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2018 Aug 11 20h54 UT by Lionel Rousselot


(Copyright Lionel Rousselot)

Nuclear magnitude (m2)15.8
Aperture radius used for m25.8 "
r (dist/Sun) 3.588 AU
d (dist/Earth) 3.320 AU
Right ascension16 31 33.78 h m s
Declination+29 11 41.2 ° ' "
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
MotorizationYes
AutoguideYes
Exposure total time1200 s
Exposure details60*20s
Sky transparency (naked eye max mag)5
Seeing4
Moon phase180 °
Locationvierzon france
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.45 "/pix
Observation submission date2018 Aug 12 23h01m02s

(Record n° 19473)

Home