315P/LONEOS

315P/LONEOS
2017 Mar. 28.04 UT: m1=14.2 CCD, Dia.=0.57', ... 15-cm L + CCD + Rc filter, f/4 ... Mieczyslaw Leszek Paradowski (Lublin, Poland)
2017 Mar. 27.95 UT: m1=14.8 CCD, Dia.=0.57', ... 15-cm L + CCD + V filter, f/4 ... Mieczyslaw Leszek Paradowski (Lublin, Poland)
2017 Mar. 27.52 UT: m1=14.5, Dia.=0.4’, DC=3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma very small, visible in periods of good seeing. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2017 Mar. 26.93 UT: m1=14.6, Dia.=0.6', DC=4, ... 60-cm L (244x) ... Sandor Szabo (Hungary)
2017 Mar. 22.56 UT: m1=14.0, Dia.=0.5', DC=2, ... 40.0-cm L f/4.5 (257x) ... Seiichi Yoshida (Ibaraki, Japan)
2017 Mar. 16.89 UT: m2=15.7 CCD, Dia.=0.22', DC=7/, ... 0.25-m f/4.7 reflector + CCD ... S. Shurpakov (Observatory C36, Baran', Belarus)
2017 Mar. 15.83 UT: m1=12.3, Dia.=1.7', DC=2/, ... 20-cm SCT (133x) ... Juan Jose Gonzalez (Alto del Trichero - Soto y Amío, Leon, Spain; Alt. 1190 m, 42º 46' N, 5º 53' W) [Sidgwick method. APASS comparison stars. Possible minor outburst. Very faint and diffuse outer coma. Near-stellar central condensation, m2=14.7 (APASS). Field stars checked in DSS. Limiting star magnitude near comet: 15.0 (APASS). Mountain location, very clear sky. SQM: 21.3 at zenith]
2017 Mar. 15.83 UT: m1=13.5, Dia.=0.9', DC=6, ... 30.5-cm L f:4.9 (150x) ... J. P. Navarro Pina (Campos del Rio, Murcia, Spain)
2017 Mar. 15.81 UT: m1=14.2, Dia.=0.4', DC=6, ... 33-cm L (182x) ... Piotr Guzik (Koskowa Góra, Poland; Alt. 810 m, 49º 45' N, 19º 47' E) [Small and well condensed, at 67x almost stellar. SQM-L: 21.1 at zenith. Bobrovnikoff method used, APASS comparison stars]
2017 Mar. 03.75 UT: m1=[13.5, ... 40.0-cm L f/4.5 (257x) ...Seiichi Yoshida (Ibaraki, Japan)
2017 Jan. 26.02 UT: m1=15.7 CCD, Dia.=0.37′, DC=8/, Tail= 0.9′ in PA: 274 deg ... 0.25-m f/4.7 reflector + CCD... Sergei Shurpakov (C36, Baran’, Belarus)
2017 Jan. 24.85 UT: m1=14.0, Dia.=0.3′, DC=2... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Ibaraki, Japan)
2017 Jan. 24.25 UT: m1=13.7, Dia.=0.3′, DC=6... 20-cm SCT (133x)... Juan Jose Gonzalez (Collada de la Cobertoria, Asturias, Spain... Alt. 1190 m, 43º 09′ N, 5º 54′ W) [Sidgwick method. APASS comparison stars. SQM: 21.5 at zenith. Field stars checked in DSS. Limiting star magnitude near comet: 15.3 (GSC). Mountain location, very clear sky]
2017 Jan. 07.04 UT: m1=15.8 CCD, Dia.=0.35′, DC=8... 0.25-m f/4.7 reflector + CCD... S. Shurpakov (Observatory C36, Baran’, Belarus)
2016 Dec. 30.11 UT: m1=[15.8, NEGATIVE... 60-cm L (407x)... Sandor Szabo (Hungary) [Fainter than 15.8 mag]
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