Scan-181201-ps_stacked_2_bw_crop_2_2048px Published 02/12/2018 at 2048 × 1784 in Comet 153P/Ikeya-Zhang ← Previous Next → Comet 153P/Ikeya-Zhang, 4 exposures on color negative film combined. M31 can be seen at right. Cropped, desaturated.