 
 
ϑ҈ꗗ (List of Observers) - 2008 Apparition
| Observer | Location | Telescope | Days |  | Disks | Maps | Animations | Others | Measurements | 
|---|
| Akutsu, Tomio | Philippines | 35cm SC | 65 |  | 411 | | | | | | | 1428 | 
| Akutsu, Hiroaki | Hokkaido, Japan | 28cm Refl. | 7 |  | 34 | | | | | | | | | 
| Asada, Hideto | Kyoto, Japan | 31cm Refl. | 31 |  | 189 | 3 | | | | | | | 
| Ikemura, Toshihiko | Aichi, Japan | 38cm Refl. | 27 |  | 82 | | | | | | | 290 | 
| Einaga, Hideo | Hyogo, Japan | 30cm Refl. | 119 |  | 324 | 81 | | | | | 2113 | 
| Oyamada, Hiroyuki | Kanagawa, Japan | 20cm Refl. | 4 |  | 16 | | | | | | | | | 
| Kazemoto, Akira | Kyoto/Okinawa, Japan | 31cm/50cm Refl. | 34 |  | 58 | | | | | | | 594 | 
| Kanno, Seiichi | Yamagata, Japan | 25cm Refl. | 28 |  | 61 | | | | | | | | | 
| Kumamori, Teruaki | Osaka, Japan | 20cm Refl. | 91 |  | 157 | | | | | | | 1218 | 
| Takimoto, Ikuo | Kagawa, Japan | 31cm Refl. | 20 |  | 119 | | | 1 | | | 118 | 
| Tomita, Yasuaki | Gumma, Japan | 25cm Refl. | 1 |  | 1 | | | | | | | | | 
| Nakai, Kenji | Hiroshima, Japan | 25cm MC | 7 |  | 7 | | | | | | | | | 
| Narita, Hiroshi | Kanagawa, Japan | 20cm Refr. | 32 | * | 64 | | | | | | | 2 | 
| Neichi, Mitsuyuki | Aomori, Japan | 25cm Refl. | 2 |  | 2 | | | | | | | | | 
| Hayashi, Toshio | Kyoto, Japan | 35cm SC | 28 |  | 46 | | | | | | | | | 
| Hirabayashi, Isamu | Tokyo, Japan | 25cm Refl. | 1 |  | 2 | | | | | | | 14 | 
| Fukui, Hideto | Shizuoka, Japan | 35cm SC | 51 |  | 86 | | | | | | | 496 | 
| Horikawa, Kuniaki | Kanagawa, Japan | 16cm Refl. | 71 | * | 115 | | | | | | | 345 | 
| Mishina, Toshiro | Kanagawa, Japan | 20cm Refl. | 28 |  | 49 | | | | | | | | | 
| Miyazaki, Isao | Okinawa, Japan | 40cm Refl. | 42 |  | 111 | | | | | | | 1061 | 
| Yunoki, Kenkichi | Osaka, Japan | 26cm Refl. | 62 |  | 199 | | | | | | | 638 | 
| Yoneyama, Seiichi | Kanagawa, Japan | 20cm Refl. | 57 |  | 114 | 1 | | | | | 95 | 
| Carvalho, Fabio | Brazil | 25cm Refl. | 12 |  | 30 | | | | | | | 199 | 
| Colville, Brian | Canada | 30cm SC | 1 |  | 3 | | | | | | | | | 
| Go, Christopher | Philippines | 28cm SC | 83 |  | 200 | | | | | | | 1232 | 
| Olivetti, Tiziano | Thailand | 28cm Refl. | 1 |  | 2 | | | | | | | | | 
| Pellier, Christophe | France | 25cm SC | 5 |  | 17 | | | | | | | | | 
| Phillips, Jim | USA | 20cm Refr. | 3 |  | 6 | | | | | | | 51 | 
| Salway, Mike | Australia | 30cm Refl. | 1 |  | 1 | | | | | | | 20 | 
| Walker, Sean | USA | 18cm Refl. | 2 |  | 5 | | | 1 | | | | | 
| Wesley, Anthony | Australia | 33cm Refl. | 49 |  | 79 | | | | | 1 | 1093 | 
| Total |  |  |  |  | 2590 | 85 | 2 | 1 | 11007 | 
|  | 
|  | * | visual observation |