Brightening of Blazar S5 1803+78
ATel #7988; Patricia Lampens (Royal Observatory of Belgium), Paul Van Cauteren
on 3 Sep 2015; 13:09 UT
Credential Certification: Patricia Lampens (patricia.lampens@oma.be)
Subjects: Optical, AGN, Blazar
We report significant brightening in the filter V of the blazar S5 1803+78
according to the following observations:
2015 03 18.187 V 15.47
2015 06 07.027 V 16.19
2015 06 17.018 V 16.40
2015 08 22.901 V 14.65
2015 08 29.911 V 14.24
The comparison star (18h00m33.88s +78°28'33.5"), adopted from the AAVSO sequence, has mag 15.73 (V). Each observation is based on a stack of 10 images of 120 sec exposure.
Instrumentation: 16-inch f/8 Ritchey-Chrétien telescope equipped with SBIG ST10XME ccd camera installed at the Humain station of the Royal Observatory of Belgium.