C/2018 EF9 (Lemmon)

C/2018 EF9 (Lemmon)
Reported observations:
2018 May  21.12 UT: m1=11.5, Dia.=3.5', DC=1/, ... 20-cm SCT (133x) ... Juan Jose Gonzalez (Alto del Castro, Leon, Spain; Alt. 1720 m, 42º 54' N, 5º 48' W) [Sidgwick method. APASS comparison stars. Field stars checked in DSS. SQM: 21.5]
2018 May  16.01 UT: m1=11.8, Dia.=3', DC=1/, ... 20-cm SCT (133x) ... Juan Jose Gonzalez (Pandorado, Leon, Spain; Alt. 1190 m, 42º 47' N, 6º 00' W) [Sidgwick method. APASS comparison stars. Brighter than expected. From dark mountain skies the coma appears large and very diffuse, without central condensation. Motion checked over a 120-min period. Field stars checked in DSS. Limiting star magnitude near comet: 14.7 (GSC). SQM: 21.4]
Advertisements