TCP J17282355-3113163 2023 08 06.1453* 17 28 23.55 -31 13 16.3 13.5 C Sco 9 0
2023 08 06.1453
Discovered by E. Pimentel, C. Barreto, C. Colesanti, C. Jacques, J. Amancio, J. Ribeiro, L. Amaral,M. Domingues, P. Holvorcem, T. Napoleao on behalf of the Brazilian Transient Search - BraTS - at SONEAR 2 Observatory, Belo Horizonte, Brazil in three frames with 10 seconds exposure using an astrograph 280mm f/2.2 + CCD unfiltered, with magnitude 13.5 under limiting mag = 16.5. Nothing is visible at this location on the previous frames (limiting mag = 16.5) taken on 2023 May 17.0820 UT.
2023 08 06.9577
Position end figures 23s.63, 17".6 measured with 0.50m reflector + CCD at Skygems Observatory, Namibia. J2000, Gaia DR2 positions. No obvious progenitor present in Gaia catalogue or on PanSTARRS or DECaPS images. Approximate unfiltered magnitude 14.1 using APASS V mag comparison stars. Andrew Pearce, Nedlands, Western Australia.
2023 08 07.3658
Photometry results were V=16.36, Rc=13.69 and Ic=11.79 with 0.43-m f/6.8 reflector + FLI ProLine PL4710 CCD （T-17, iTelescope.NET) @ SSO, Australia. https://meineko.com/ccd/TCP_J17282355-3113163.jpg - Seiichiro Kiyota (Kamagaya, Japan)
2023 08 13.4870
Photometry using 0.35m R-COP reflector + CCD at Perth Observatory, W. Australia as follows: Aug 13.479 UT B = 19.26, Aug 13.487 UT V = 17.25, Aug 13.493 UT R = 15.19 and Aug 13.498 UT I = 13.43. Andrew Pearce, Nedlands, W. Australia.