C/2008 FK75 (Lemmon-Siding Spring) (Record n° 779)
NASA/JPL elements
IAU/MPC elements
On 2010 Jul 18 22h31 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 16.8 m2 standard deviation 0.1 Aperture radius used for m2 9 " r (dist/Sun) 4.550 AU d (dist/Earth) 4.115 AU Right ascension 17 30 13.42 h m s Declination +42 16 24.1 ° ' " 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 2010.07.19 23:35:16
AC2 thierrynoel1@laposte.net
NET UCAC-3
CK08F75K C2010 07 18.93821 17 30 13.42 +42 16 24.1 16.7 N B83
CK08F75K C2010 07 18.94963 17 30 13.11 +42 16 23.3 16.8 N B83
CK08F75K C2010 07 18.96249 17 30 12.81 +42 16 22.7 16.8 N B83
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1000 mm Instrument focale/diameter 5.0 Filter(s) None Camera SBIG ST7-XME Sensor CCD Sensor size 6.9x4.6 mm2 Sensor pixels number 765x510 Sensor temperature -5 °C Binning 1x1 Mount Atlas-EQG Autoguide Yes Exposure total time 2160 s Exposure details 18x2mn Sky transparency (naked eye max mag) 4.5 Observatory MPC code B83 Location Gieres 38610 France Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.85 "/pix Image processing Astrometrica(-dark, /flat, add) + Iris(crop, grad, levels) Observation submission date 2010 Jul 20 21h04m38s Observation modification date 2010 Jul 20 21h41m05s