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C/2023 H2 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2023 Sep 24 04h06 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)14.7
Aperture radius used for m10.4 '
Nuclear magnitude (m2)16.7
m2 standard deviation0.1
Aperture radius used for m25.8 "
Afrho27 cm
r (dist/Sun) 1.092 AU
d (dist/Earth) 1.552 AU
Right ascension11 54 38.08 h m s
Declination+44 20 05.5 ° ' "
MPC report
COD A77
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector+CCD
ACK MPCReport file updated 2023.09.24 05:44:51
AC2 fkugel@free.fr
NET UCAC-4
    CK23H020 KC2023 09 24.17087 11 54 38.08 +44 20 05.5          16.5 R      A77
    CK23H020 KC2023 09 24.17128 11 54 38.11 +44 20 07.8          14.7 T      A77
    CK23H020 KC2023 09 24.17330 11 54 38.20 +44 20 07.6          16.7 R      A77
    CK23H020 KC2023 09 24.18032 11 54 38.50 +44 20 10.1          16.8 V      A77
    CK23H020 KC2023 09 24.18154 11 54 38.65 +44 20 10.7          14.6 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)R Bessel
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
Exposure details3x60s
Observatory MPC codeA77
Reference stars catalogUCAC-4
Used softwaresTycho
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2023 Sep 24 05h50m41s
Observation modification date2023 Sep 24 07h46m54s

(Record n° 27620)

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