Orbital period : 12049.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Aug 29 01h55 UT by Patrick Ditz
(Copyright Patrick Ditz)
| Nuclear magnitude (m2) | 15.8 | m2 standard deviation | 0.1 | Aperture radius used for m2 | 7.5 " | Coma diameter | 1.85 ' | Tail length | 0.47 ° | Tail position angle (PA) | 266 ° | r (dist/Sun) | 2.016 AU | d (dist/Earth) | 1.677 AU | Right ascension | 03 55 42.00 h m s | Declination | +23 29 43.2 ° ' " | MPC report | COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.4 reflector + CCD
ACK Report C/2015ER61 2017/08/29
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
CK15E61R C2017 08 29.08008 03 55 42.00 +23 29 43.2 15.7 N K97
CK15E61R C2017 08 29.08155 03 55 42.05 +23 29 43.4 16.0 N K97
CK15E61R C2017 08 29.08745 03 55 42.22 +23 29 43.4 15.7 N K97
CK15E61R C2017 08 29.09188 03 55 42.35 +23 29 43.5 15.9 N K97
| Instrumental configuration | Config1 | Instrument | T200 F/D 7.4 | Instrument type | Newton | Instrument aperture (0=naked eye) | 200 mm | Instrument focale length | 1480 mm | Instrument focale/diameter | 7.4 | Filter(s) | L | Camera | ATIK 460 EX | Sensor | CCD | Sensor size | 12.5x10.0 mm2 | Sensor pixels number | 2749x2199 | Sensor temperature | -13 °C | Binning | 2x2 | Exposure total time | 2040 s | Exposure details | 17x120s | Air mass | 1.4 | Observatory MPC code | K97 | Location | 67130 Freconrupt | Reference stars catalog | UCAC-4 | Used softwares | PRISM | Image resize factor | 0.728 | Resulting picture sampling (scale) | 1.26 "/pix | Image processing | PRISM | Remarks or comments | Comète prise en bord de champ pour obtenir toute la longueur de la queue, mais la queue est peut être encore plus longue. | Observation submission date | 2017 Aug 29 09h54m25s | Observation modification date | 2017 Aug 29 10h00m50s |
(Record n° 18141)