Visibility I / V
(523823) 2015 BG311 (2015 BG311) The asteroid Cupid NEO was imaged on the second night of the 2022 September talcos. The asteroid was discovered by the Haleakala observatory of the Pan-STARRS research program (F51 – Pan-STARRS 1, Haleakala) on November 29, 2014. The estimated size is approx. 740m. At the time of imaging, the asteroid was at a distance of 0.1936au and at its closest on October 15, 2022 at 0.16792au.
1Fig. first image of the series L15s measured, 2022-09-24T 19:29:02UT 2459847.31182JDUT 20h11m37.75s +12d06'19.2" 16.647mag Std Dev 37.255 SNR7.859 FWHM5.576" ,JPL Horizon 20:11:331mUT 20h11m37.75s +37h 12d06'18.6" 16.876mag .
2Fig. last image of series L15s measured, 2022-09-24T 19:34:45UT 2459847.31579JDUT 20h11m38.55s +12d06'22.4" 16.726mag Std Dev 30.827 SNR6.391 FWHM2.508" , JPL Horizon 19:34:41m38.55s +38h 12d06'21.9" 16.876mag .
3 Picture sum picture L15s 1-11 from a stack of pictures, movement is visible. There are no other asteroids below 20.8 mag in the picture.
TYC 1081-1247-1 v.12.21mag star used for brightness measurement calibration.