C/2012 BJ98 (Lemmon) (Record n° 6252)
Orbital period : 71.60 years
NASA/JPL elements
IAU/MPC elements
On 2012 Mar 19 20h15 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 19.3 m2 standard deviation 0.1 Aperture radius used for m2 4.5 " r (dist/Sun) 2.915 AU d (dist/Earth) 2.327 AU Right ascension 07 50 18.70 h m s Declination +21 34 02.4 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.300-m f/4 Newtonian reflector + CCD
ACK MPCReport file updated 2012.03.19
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
CK12B98J KC2012 03 19.84352 07 50 18.70 +21 34 02.4 19.3 N C10
CK12B98J KC2012 03 19.86447 07 50 18.91 +21 34 02.0 19.2 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1200 mm Instrument focale/diameter 4 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -20 °C Binning 1x1 Mount F60a Autoguide Yes Exposure total time 1920 s Exposure details 16 X 120s Seeing 3 Moon elongation 147 ° Air mass 1.13 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.5 "/pix Image processing PRISMV8 LOG FC GIMP Observation submission date 2012 Mar 20 09h02m31s Observation modification date 2012 Mar 20 14h00m12s