74P/Smirnova-Chernykh (Record n° 3479)
Orbital period : 9.19 years
NASA/JPL elements
IAU/MPC elements
On 2011 May 13 01h36 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 17.3 Aperture radius used for m1 0.4 ' r (dist/Sun) 4.106 AU d (dist/Earth) 3.217 AU Right ascension 17 34 24.66 h m s Declination -23 14 02.4 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.05.13
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0074P C2011 05 13.06659 17 34 24.66 -23 14 02.4 17.0 T C10
0074P C2011 05 13.07571 17 34 24.55 -23 14 03.1 17.1 T C10
0074P C2011 05 13.08182 17 34 24.60 -23 14 04.7 17.7 T C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -15 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1200 s Exposure details 10 X 120s Seeing 3 Moon elongation 93 ° Air mass 3.20 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 APE Observation submission date 2011 May 13 07h05m24s Observation modification date 2011 May 13 07h17m26s