Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J17182906-2246301

TCP J17182906-2246301   2021 09 21.4013*  17 18 29.06 -22 46 30.1  11.1 U             Oph       9 0

2021 09 21.401

Discovered by Yukio Sakurai, Mito, Ibaraki-ken, Japan, who found this star on three frames with 8-s exposure (limit mag.= 12.0) taken using Nikon D7100 + 180-mm f/2.8 lens, who writes nothing is visible at this location on three frames (limit mag.= 11.5) taken on 2021 Sept. 20.432 UT.

2021 09 21.58

Flare of the red dwarf Gaia DR2 4114689655886067584 (Gaia EDR3 parallax 21.07 mas, distance 47.3 pc)? Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2021 09 21.483

Faintly visible at approximate mag 11.9 at Sept 21.483 UT on images taken with a Canon 800D with 100mm f/2.8 lens (20s exposure). Andrew Pearce, Nedlands, W.Australia.

2021 09 21.409

Mag=12.3 on 2021 Sep21.409UT. Mag=12.5 on 2021 Sep21.411UT. taken by Canon EOS 6D + 300mm f/3.2 lens. Tadashi Kojima,Japan.

2021 09 22.404

Mag.= 13.8, position end figures 28.87, 31.9 observed by T. Noguchi, Katori, Japan, using 0.23-m f/10 Schmidt Cassegrain + unfiltered CCD (KAF-0261E), An image at http://park8.wakwak.com/~ngc/images/TCPinOph_20210922.jpg.