Equine Spectrum (www.equinespectrum.com) has catalogued 26 horses and three no-guarantee stallion seasons for its online mixed auction on Wednesday, April 17. The horses catalogued include Baby Grace, the dam of Louisiana Derby (gr. II) winner and Illinois Derby (gr. II) runner-up Repent. Also scheduled to be offered is Twilight Spectre, the dam of Sealke Stakes (gr. III) winner Ethan Man, and Boxcar Cat (by Railway Cat), a 2-year-old half-brother to Harlan's Holiday. The no-guarantee seasons are to Banker's Gold, Glitterman, and Sky Classic.