6P/d’Arrest

6P/d’Arrest
Reported observations:
2015 Sep. 11.72 UT: m1=17.8 CCD, Dia.=0.2′, Tail=0.3′ in PA: 24 deg. ... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer ... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 June 27.78 UT: m1=13.6, Dia.=0.7’, DC=2/... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Very difficult, zodiacal light interference, average seeing conditions. Coma very diffuse with small opaque weakly condensed centre, no tail. Altitude = 19.1°, ; limiting magnitude = 14.5]
2015 June 22.80 UT: m1=13.3, Dia.=1.3’, DC=3... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Very difficult, zodiacal light interference. Limiting magnitude 14.5. Altitude = 22.5°]
1995 Dec. 18.37 UT: m2=16.6 CCD, Dia.=&4.1′... 1.2-m reflector + CCD ... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking / NEAT, 608)

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