103P/Hartley (Record n° 781)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Jul 18 23h42 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 16.7 m2 standard deviation 0.1 Aperture radius used for m2 9 " Tail position angle
(PA) 250 ° r (dist/Sun) 1.692 AU d (dist/Earth) 0.880 AU Right ascension 22 18 57.05 h m s Declination +18 38 42.1 ° ' " 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
0103P C2010 07 18.98762 22 18 57.05 +18 38 42.1 16.6 N B83
0103P C2010 07 19.00888 22 18 57.95 +18 39 10.5 16.7 N B83
0103P C2010 07 19.03014 22 18 58.85 +18 39 39.4 16.7 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 3540 s Exposure details 59x1mn 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) Remarks or comments Close to mag 8 star ! Observation submission date 2010 Jul 20 21h04m38s Observation modification date 2010 Jul 27 22h41m56s