Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J02011347+0139431

TCP J02011347+0139431   2023 12 02.4579*  02 01 13.47 +01 39 43.1  15.0 U             Cet       9 4

2023 12 02.4579

Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on two frames (30-s exp. limiting mag 16.5) taken by 0.10-m F3.0 refractor and CMOS camera. Nothing is visible at this location on the frames taken on 2023 Nov. 28.4879 UT (30-s exp. limiting mag 16.0) by same instrument. --- Isao Endoh (NAOJ)

2023 12 03.3544

Mag.= 15.1, position end figures 13s.49, 41".6 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/TCPinCet_20231203.jpg.

2023 12 03.461

Photometry results were B= 15.13, V= 14.74, Ic= 14.75, position end figures 13s.52 , 41".3 using 0.20-m f/8 Ritchey-Chretien + CCD + f/5.4 focal Reducer An image at http://orange.zero.jp/k-yoshimoto/TCPJ02011347+0139431_20231203.jpg. observed by K. Yoshimoto, Yamaguchi, Japan,

2023 12 03.3692

Follow-up observation by Yuji Nakamura. On 2023 Dec. 03.3692 UT, mag.= 15.6 (40-s exp. limiting mag. 16.5), using 0.10-m F3.0 refractor and CMOS camera. --- Isao Endoh (NAOJ)

2023 12 04.4513

Photometry results were B=15.06, V=15.23, Rc=15.28 and Ic=15.27 with 0.28mSCT + QSI 632ws CCD at TAO-Kamagaya. -Seiichiro Kiyota (Kamagaya, Japan)