C/2021 A1 Leonard
  46 cm 37x, Night Vision PVS-14. 2021 December 31.396 UTC. Only near the nucleus region was sketched.
Left: Photo of C/2021 A1 taken by Mr. Keisuke Sakata almost the same time as the sketch. Courtesy of Mr. Keisuke Sakata, a star friend of mine.
Detailed description on the sketch.

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