C/2020 T2 (Palomar) (Record n° 23442)
Orbital period : 4318.00 years
NASA/JPL elements
IAU/MPC elements
On 2021 Jun 05 23h13 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 11.1 Aperture radius used for m1 3.0 ' Nuclear magnitude (m2) 14.0 Aperture radius used for m2 6.0 " Coma diameter 5 ' Coma condensation degree
(DC) 5 r (dist/Sun) 2.100 AU d (dist/Earth) 1.456 AU Right ascension 13 36 55.9 h m s Declination +21 08 42 ° ' " Instrumental configuration Config1 Instrument T407 Dobson sur table equatoriale Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1750 mm Instrument focale/diameter 4.29 Filter(s) None Camera Sony alpha 7s Sensor DC Sensor size 36x24 mm2 Sensor pixels number 4240x2832 Sensor temperature 12 °C Binning 2x2 Mount Dobson posé sur Table equatoriale Motorization Yes Autoguide No Exposure total time 100.8 s Exposure details 19x3.2s+16x2.5s Sky transparency (naked eye max mag) 5.5 Seeing 3 Air mass 1.4 Location Boulonville (28) Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2.0 "/pix Image processing biining, division flat grossier (oublié d'en faire...), alignement, somme Remarks or comments mV=10.8, mR=11.6, mB=10.9 Observation submission date 2021 Jun 06 23h09m05s