C/1977 R1 (Kohler) (Record n° 472)
NASA/JPL elements
IAU/MPC elements
On 1977 Oct 02 19h30 UT by Jean-Yves Corsand
(Copyright Jean-Yves Corsand)Coma Total magnitude (m1) 9.3 Coma condensation degree
(DC) 4 Tail length 0.4 ° Tail position angle
(PA) 60 ° r (dist/Sun) 1.197 AU d (dist/Earth) 1.270 AU Right ascension 16 29 54 h m s Declination +18 35 00 ° ' " Instrument LA 60 Instrument type Refractor Instrument aperture (0=naked eye) 60 mm Instrument focale length 710 mm Instrument focale/diameter 11.8 Sensor Eye Power magnification 36 X Magnitude visual estimation method
(ICQ code) I Sky transparency (naked eye max mag) 6 Location Manosque 04100 France Resulting picture sampling (scale) 18.4 "/pix Observation submission date 2010 May 27 15h11m28s Observation modification date 2011 Jun 14 10h11m38s