 
 
ϑ҈ꗗ (List of Observers) - 2015-16 Apparition
| Observer | Location | Telescope | Days |  | Disks | Maps | Animations | Others | Measurements | 
|---|
| Akutsu, Tomio | Tochigi, Japan | 35cm SC | 38 |  | 317 | | | | | 7 | 216 | 
| Asada, Hideto | Kyoto, Japan | 31cm Refl. | 22 |  | 69 | 2 | | | | | | | 
| Adachi, Makoto | Shiga, Japan | 31cm Refl. | 35 | * | 77 | | | | | | | | | 
| Ikemura, Toshihiko | Aichi, Japan | 38cm Refl. | 5 |  | 6 | | | | | | | | | 
| Ishibashi, Tsutomu | Kanagawa, Japan | 31cm Refl. | 17 |  | 32 | | | | | | | | | 
| Iwamasa, Ryuichi | Kanagawa, Japan | 35cm SC | 33 |  | 168 | | | | | | | 642 | 
| Einaga, Hideo | Hyogo, Japan | 30cm Refl. | 118 |  | 399 | 104 | | | | | 3697 | 
| Ota, Satoshi | Okinawa, Japan | 30cm Refl. | 20 |  | 33 | | | | | | | 262 | 
| Oyamada, Hiroyuki | Tokyo, Japan | 20cm Refl. | 4 |  | 6 | | | | | | | | | 
| Kanno, Seiichi | Yamagata, Japan | 30cm Refl. | 39 |  | 375 | | | | | | | | | 
| Kumamori, Teruaki | Osaka, Japan | 35cm SC | 31 |  | 31 | | | | | | | 519 | 
| Kozawa, Tokujiro | Tokyo, Japan | 35cm Refl. | 30 |  | 77 | | | | | | | 396 | 
| Suzuki, Takashi | Tokyo, Japan | 18cm MC | 2 |  | 2 | | | | | | | 12 | 
| Hatanaka, Akitoshi | Mie, Japan | 30cm Refl./28cm SC | 31 |  | 50 | | | | | | | 111 | 
| Horiuchi, Tadashi | Kyoto, Japan | 30cm Refl. | 25 |  | 83 | | | | | | | 273 | 
| Horikawa, Kuniaki | Kanagawa, Japan | 30cm Refl. | 127 | * | 233 | | | | | | | 718 | 
| Mishina, Toshiro | Kanagawa, Japan | 20cm Refl. | 21 |  | 47 | | | | | | | | | 
| Miyazaki, Isao | Okinawa, Japan | 40cm Refl. | 162 |  | 287 | | | | | | | 3768 | 
| Yamazaki, Akihiro | Tokyo, Japan | 32cm Refl. | 12 |  | 12 | | | | | | | 212 | 
| Yoshida, Tomoyuki | Tochigi, Japan | 30cm Refl. | 12 |  | 30 | | | | | | | 72 | 
| Yoneyama, Seiichi | Kanagawa, Japan | 25cm Refl. | 55 |  | 152 | | | | | | | 207 | 
| Abel, Paul | UK | 20cm Refl. | 12 | * | 17 | | | | | | | | | 
| Delcroix, Marc | France | 32cm/106cm/20cm Refl. | 17 |  | 98 | 1 | | | | | 117 | 
| Go, Christopher | Philippines | 35cm SC | 106 |  | 399 | | | 1 | 7 | 2983 | 
| Kowollik, Silvia | Germany | 15cm Refl. | 1 |  | 1 | | | | | | | | | 
| Olivetti, Tiziano | Thailand | 41cm Refl. | 48 |  | 184 | | | | | | | 1921 | 
| Pellier, Christophe | France | 25cm Refl. | 5 |  | 16 | | | | | | | 79 | 
| Phillips, Jim | USA | 25cm MC | 6 |  | 6 | | | | | | | 62 | 
| Wesley, Anthony | Australia | 33cm Refl. | 71 |  | 92 | | | 1 | | | 561 | 
| Total |  |  |  |  | 3299 | 107 | 2 | 14 | 16828 | 
|  | 
|  | * | visual observation |