17P/Holmes (Record n° 12271)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Aug 05 02h08 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 17 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 2.289 AU d (dist/Earth) 2.449 AU Right ascension 03 54 24.09 h m s Declination +37 42 02.0 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2014.08.06 10:45:04
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0017P KC2014 08 05.08890 03 54 24.09 +37 42 02.0 17.1 N A77
0017P KC2014 08 05.11228 03 54 26.60 +37 42 17.9 16.9 N A77
0017P KC2014 08 05.11557 03 54 26.95 +37 42 20.2 16.9 N A77
Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) None Camera ST8XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Exposure details 14*60s Air mass 1.39 Observatory MPC code A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2014 Aug 06 10h51m24s Observation modification date 2014 Aug 06 10h59m30s