C/2016 N6 (PANSTARRS)

C/2016 N6 (PANSTARRS)
Reported observations:
2017 Nov. 16.23 UT: m1=13.5, Dia.=0.5', DC=4, ... 20-cm SCT (206x) ... Juan Jose Gonzalez (Puerto de Aralla, Leon, Spain; Alt. 1530 m, 42º 54' N, 5º 48' W) [Field stars checked in DSS. Sidgwick method. APASS comparison stars. SQM: 21.1]
2017 Nov. 14.77 UT: m1=[14.5, ... 60-cm L (187x) ... Sandor Szabo (Hungary) [Very close to two 12.7 mag stars, something is there, but NEGATIVE]
2017 Nov. 14.71 UT: m1=14.3, Dia.=0.4', DC=3-4, ... 0.40-m L f/4.4 (360x) ... Gabor Santa (Göd, Hungary) [comet was seen well, round, with some condensation. 27 deg above horizon, nelm=4.5-5.0]
2017 Sep. 22.80 UT: m1=13.7, Dia.=0.7’, DC=3, ... 60-cm reflector (244x) ... Sandor Szabo (Sopron, Hungary)
2017 Aug. 18.99 UT: m1=15.0; Dia.=0.35', DC=0/, ... 0,60-m L (305x) ... Gabor Santa (Hungary) Checked on a photo taken on the same night and same location by Ákos Nagy Mélykuti. 
2017 Apr. 04.95 UT: m1=17.3 CCD, Dia.=0.33', DC=8/, ... 0.25-m f/4.7 reflector + CCD ... Serguey Shurpakov (Observatory C36, Baran', Belarus)
2017 Mar. 17.01 UT: m1=17.4 CCD, Dia.=0.28', DC=8, ... 0.25-m f/4.7 reflector + CCD ... S. Shurpakov (Observatory C36, Baran', Belarus)
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