○ 光度等観測報告 (2022年 5月 追加) C/2017 K2 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 27.74 11.3 1.7′ - >8.0′330° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 28.72 11.0 1.8 - >9.0 340 3/5 3/5 0.4m-RC* 嶋邦博 ①② 31.65 11.3 2.0 - >9.0 340 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2017 U7 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.64 18.2 0.1′ - 0.7′135° 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2017 Y2 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 31.53 19.1 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①②③ C/2019 K7 (Smith) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.62 17.8 0.1′ - 0.5′105° 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2019 U5 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 27.64 14.0 0.3′ - 1.1′ 80° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 29.63 13.9 0.3 - 1.5 75 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2020 F2 (ATLAS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.58 17.3 0.1′ - 0.4′120° 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2020 H6 (ATLAS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 27.65 15.7 0.1′ - 1.4′215° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 29.63 16.2 0.1 - 1.4 215 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2020 J1 (SONEAR) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.61 16.1 0.4′ - 0.7′130° 3/5 3/5 0.4m-RC* 嶋邦博 ①②④ C/2020 K1 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 31.68 13.7 0.5′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2020 O2 (Amaral) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 31.69 16.1 0.1′ - 0.5′220° 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2020 V2 (ZTF) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.51 13.2 0.4′ - 1.8′115° 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2020 WJ5 (Lemmon) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 31.56 18.8 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2021 O3 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.47 19.7 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2021 P4 (ATLAS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.48 12.8 0.25′- 3.5′355° 3/5 3/5 0.4m-RC* 嶋邦博 ①②⑤ 29.48 12.3 0.25 - 4.0 0 3/5 3/5 0.4m-RC* 嶋邦博 ①②⑤ 31.48 13.0 0.4 - 5.0 0 3/5 3/5 0.4m-RC* 嶋邦博 ①②⑤ C/2021 Q3 (ATLAS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 31.50 18.9 0.15′- - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2022 A2 (PANSTARRS) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.53 17.4 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② C/2022 E3 (ZTF) 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.75 14.7 0.1′ - 0.5′220° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 31.69 14.3 0.1 - 0.5 220 3/5 3/5 0.4m-RC* 嶋邦博 ①② 9P/Tempel 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.77 14.7 0.1′ - 1.0′255° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 19P/Borrelly 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.49 13.3 0.2′ - 1.4′ 95° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 29.49 5.0′250 3/5 3/5 0.4m-RC* 嶋邦博 ①②⑥ 22P/Kopff 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.75 12.7 0.4′ - >4.0′270° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 44P/Reinmuth 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 1.76 15.5 0.25′- - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② 45P/Honda-Mrkos-Pajdušáková 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.45 8.7 1.3′ - >7.0′265° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 29.47 9.0 0.7 - >5.0 260 3/5 3/5 0.4m-RC* 嶋邦博 ①② 31.47 9.3 1.1 - >7.0 260 3/5 3/5 0.4m-RC* 嶋邦博 ①② 67P/Churyumov-Gerasimenko 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.53 17.3 0.3′ - >2.5′290° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 71P/Clark 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.52 18.9 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② 73P/Schwassmann-Wachmann 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.50 15.3 0.15′- 1.2′110° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 110P/Hartley 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.52 18.7 0.1′ - 0.8′ 95° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 31.57 18.1 0.1 - - - 3/5 3/5 0.4m-RC* 嶋邦博 116P/Wild 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 28.54 13.8 0.2′ - 1.3′120° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 117P/Helin-Roman-Alu 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 31.66 13.5 0.25′- 2.5′265° 3/5 3/5 0.4m-RC* 嶋邦博 ①② 199P/Shoemaker 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.56 19.5 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② 337P/WISE 2022 UT m1 Dia DC Tail p.a. Trans. Seeing Instru. Observer Note May 29.66 18.1 0.1′ - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② 31.64 18.3 0.1 - - - 3/5 3/5 0.4m-RC* 嶋邦博 ①② * 40-cm F8.0 (レデューサー使用 F6.0)リッチークレティアン反射＋FLI ML8300。 ① 観測地:長野県富士見町 五藤光学八ヶ岳観測所。② 60秒露出をAstrometrica UCAC-4で測定。 ③ close to star ④ curved tail ⑤ Fan rail ⑥ Two tails