ϑ҈ꗗ (List of Observers) - 2018 Apparition
Observer | Location | Telescope | Days | | Disks | Maps | Animations | Others | Measurements |
Akutsu, Tomio | Ibaraki, Japan | 35cm SC/32cm Refl. | 32 | | 362 | | | | | 2 | 144 |
Asada, Hideto | Kyoto, Japan | 31cm Refl. | 34 | | 119 | 4 | | | | | | |
Adachi, Makoto | Shiga, Japan | 31cm Refl. | 30 | * | 40 | | | | | | | | |
Ishibashi, Tsutomu | Kanagawa, Japan | 31cm/10cm Refl. | 32 | | 57 | | | | | | | 277 |
Iwamasa, Ryuichi | Kanagawa, Japan | 35cm SC | 12 | | 33 | | | | | | | 70 |
Einaga, Hideo | Hyogo, Japan | 30cm Refl. | 123 | | 485 | 92 | | | | | 2468 |
Ohsugi, Tadao | Ishikawa, Japan | 30cm Refl. | 18 | | 18 | | | | | | | 199 |
Ota, Satoshi | Okinawa, Japan | 30cm Refl. | 21 | | 42 | | | | | | | 583 |
Oyamada, Hiroyuki | Tokyo, Japan | 20cm Refl. | 7 | | 8 | | | | | | | | |
Karasawa, Hideyuki | Tokyo, Japan | 30cm Refl. | 1 | | 1 | | | | | | | | |
Kanno, Seiichi | Yamagata, Japan | 30cm Refl. | 24 | | 133 | | | | | | | 54 |
Kumamori, Teruaki | Osaka/Okinawa, Japan | 35cm SC | 75 | | 106 | | | | | | | 1689 |
Kozawa, Tokujiro | Tokyo, Japan | 35cm SC/33cm Refl. | 9 | | 19 | | | | | | | 36 |
Suzuki, Kunihiko | Kanagawa, Japan | 19cm Refl. | 64 | | 124 | | | 1 | | | 1810 |
Suzuki, Takashi | Tokyo, Japan | 18cm MC | 12 | | 13 | | | | | | | 45 |
Nakai, Kenji | Hiroshima, Japan | 28cm SC | 15 | | 32 | | | | | | | 105 |
Hatanaka, Akitoshi | Mie, Japan | 40cm Refl. | 15 | | 25 | | | | | | | 76 |
Hirabayashi, Isamu | Tokyo, Japan | 25cm Refl. | 14 | | 19 | | | | | | | 28 |
Fukuyama, Koki | Nara, Japan | 20cm SC | 3 | | 4 | | | | | | | | |
Horiuchi, Tadashi | Kyoto, Japan | 40cm/30cm Refl. | 40 | | 98 | | | | | | | 805 |
Horikawa, Kuniaki | Kanagawa, Japan | 30cm Refl. | 147 | * | 248 | | | | | | | 724 |
Mishina, Toshiro | Kanagawa, Japan | 20cm Refl. | 39 | | 79 | | | | | | | | |
Miyazaki, Isao | Okinawa, Japan | 40cm Refl. | 59 | | 78 | | | | | | | 1142 |
Yamazaki, Akihiro | Tokyo/Okinawa, Japan | 40cm Refl./28cm SC | 32 | | 59 | | | | | | | 663 |
Yunoki, Kenkichi | Osaka, Japan | 35cm SC | 2 | | 5 | | | | | | | 33 |
Yoshida, Tomoyuki | Tochigi, Japan | 30cm Refl. | 14 | | 16 | | | | | | | 148 |
Yoneyama, Seiichi | Kanagawa, Japan | 32cm/30cm Refl. | 36 | | 97 | | | | | | | 95 |
Abel, Paul | UK | 20cm/50cm Refl. | 7 | * | 7 | | | | | | | | |
Carvalho, Fabio | Brazil | 40cm Refl. | 4 | | 5 | | | | | | | 107 |
Delcroix, Marc | France | 32cm/105cm Refl./35cm SC | 10 | | 41 | | | 1 | | | 60 |
Foster, Clyde | South Africa | 35cm SC | 115 | | 212 | | | | | | | 2768 |
Go, Christopher | Philippines | 35cm SC | 75 | | 257 | | | | | | | 2498 |
Kowollik, Silvia | Germany | 18cm Refl. | 1 | | 2 | | | | | | | 22 |
Lamy, George | USA | 35cm SC | 25 | | 26 | | | | | | | 464 |
Maxson, Paul | USA | 25cm MC | 133 | | 282 | | | | | | | 295 |
Olivetti, Tiziano | Thailand | 50cm/41cm Refl. | 19 | | 56 | | | | | | | 543 |
Pellier, Christophe | France | 31cm Refl. | 28 | | 89 | | | | | | | 433 |
Wesley, Anthony | Australia | 33cm Refl. | 63 | | 78 | | | 1 | | | 1254 |
Total | | | | | 3375 | 96 | 3 | 2 | 19638 |
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| * | visual observation |