Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J21433297+4612222

TCP J21433297+4612222   2019 12 07.5261*  21 43 32.97 +46 12 22.2  16.3 V             Cyg       R 9

2019 12 07.5261

Wei Gao, Jianlin Xu, Mi Zhang and Xing Gao, report the possible brightens of the UG variable star [BL2005] J214332.94+461222.2(mag approximately 16.3) on several 40-s survey images (limiting mag about 18.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 07.52609 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=21h43m32.97s +46d12'22".2 (equinox 2000.0). Which is about 48.5" east and 107.6" south of the center of the UGC11800. Nothing is visible at this position on archival images taken on Nov. 01.65792 UT(limiting mag 18.5).

2019 12 07.5261

using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). not using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). Sorry.

2019 12 03.1346

This dwarf nova outburst was noticed by me yesterday (Dec. 6) in ASAS-SN Sky Patrol data (vsnet-alert 23756): http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-alert/23756 --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)