C/2025 K4 (Siverd) (Record n° 29746)
NASA/JPL elements
IAU/MPC elements
On 2025 Jun 19 22h47 UT by Jean-Louis Virlichie
(Copyright Jean-Louis Virlichie)Nuclear magnitude (m2) 17.7 m2 standard deviation 0.2 Aperture radius used for m2 6.0 " r (dist/Sun) 2.569 AU d (dist/Earth) 1.744 AU Right ascension 15 44 32.00 h m s Declination -62 27 51.3 ° ' " MPC report COD X03
CON J. L. Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA J. L. Virlichie
TEL 0.36-m f/4.8 reflector + CMO
NUM 3
ACK MPCReport file updated 2025.06.20 15:21:29
NET Gaia EDR3
AC2 jl.virlichie@gmail.com
CK25K040 KB2025 06 19.94908 15 44 32.00 -62 27 51.3 17.8 G X03
CK25K040 KB2025 06 19.96135 15 44 32.12 -62 27 36.1 17.5 G X03
CK25K040 KB2025 06 19.97288 15 44 32.09 -62 27 21.4 17.9 G X03
Instrumental configuration Config1 Instrument ONTC 355 Instrument type Newton Instrument aperture (0=naked eye) 360 mm Instrument focale length 1728 mm Instrument focale/diameter 4.8 Filter(s) L Camera Player One IMX571 Mono Sensor CMOS Sensor size 23.5x15.7 mm2 Sensor pixels number 6252x4176 Sensor temperature -10 °C Mount SW EQ8 Autoguide Yes Exposure details 9x2mn Observatory MPC code X03 Location Poroto Chili Reference stars catalog Gaia EDR3
Used softwares Tycho V12.1 Resulting picture sampling (scale) 0.86 "/pix Observation submission date 2025 Jun 28 14h48m13s Observation modification date 2025 Jun 28 14h49m47s