C/2012 J1 (Catalina) (Record n° 7474)
NASA/JPL elements
IAU/MPC elements
On 2012 Sep 14 21h04 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 14.4 Aperture radius used for m2 9 " r (dist/Sun) 3.262 AU d (dist/Earth) 2.453 AU Right ascension 23 47 06.10 h m s Declination +39 15 26.2 ° ' " MPC report COD B83
CON Thierry NOEL [thierrynoel1@laposte.net]
OBS T. Noel
MEA T. Noel
TEL 0.20-m f/5.0 reflector + CCD
ACK MPCReport file updated 2012.09.15 12:14:10
AC2 thierrynoel1@laposte.net
NET UCAC-3
CK12J010 C2012 09 14.87797 23 47 06.10 +39 15 26.2 14.4 N B83
CK12J010 C2012 09 14.91309 23 47 05.45 +39 15 16.7 14.4 N B83
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1000 mm Instrument focale/diameter 5.0 Camera SBIG ST7-XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Atlas-EQG Autoguide Yes Exposure total time 3300 s Exposure details 11x5mn Sky transparency (naked eye max mag) 4.5 Observatory MPC code B83 Location Gi?res 38610 France Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.85 "/pix Image processing Astrometrica (-dark, /flat, add) + Iris (levels, ddp, crop) Observation submission date 2012 Sep 16 20h52m33s Observation modification date 2012 Sep 16 22h25m35s