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主題: comet C/2021 O3 (PANSTARRS) 可能碎了 + Bortle empirical relation on long period 作者: peter 於 2021-08-06 17:04:35 C/2021 O3 (PANSTARRS) 可能碎了 == C/2021 O3 (PANSTARRS) 活下來嗎?? + Bortle Limit Bortle's empirical relation on long period comet survivability for comets with small perihelion distance. == comet C/2021 O3 (PANSTARRS) may not survive perihelion passage in April 2022 based on John Bortle's empirical relation on long period comet survivability for comets with small perihelion distance. https://www.facebook.com/140234731687/photos/a.155712931687/10157830778706688/ (https://scontent.ftpe7-1.fna.fbcdn.net/v/t39.30808-6/231238492_10157830778716688_4060888202104019271_n.png?_nc_cat=110&ccb=1-4&_nc_sid=730e14&_nc_ohc=skcU04I5LH4AX8IUbFP&_nc_ht=scontent.ftpe7-1.fna&oh=ea96f694d7ee19d041fa857e44df1d97&oe=61124131) 主題: 回覆： comet C/2021 O3 (PANSTARRS) 活不下來? + Bortle Limit 作者: peter 於 2022-04-18 21:44:15 https://www.facebook.com/photo?fbid=2221860117965679&set=gm.1648645728639216
主題: 回覆： comet C/2021 O3 (PANSTARRS) 活不下來? + Bortle Limit 作者: peter 於 2022-04-18 21:46:59 http://astro.vanbuitenen.nl/comet/2021O3
主題: 回覆： comet C/2021 O3 (PANSTARRS) 活不下來? + Bortle Limit 作者: peter 於 2022-04-18 21:47:23 http://www.aerith.net/comet/catalog/2021O3/2021O3-j.html
(http://www.aerith.net/comet/catalog/2021O3/mag.gif) 主題: 回覆： comet C/2021 O3 (PANSTARRS) 活下來嗎?? + Bortle Limit 作者: peter 於 2022-05-03 22:38:29 C/2021 O3 (PANSTARRS) 可能碎了 ？ https://weibo.com/1029143002/LqXau6E0E
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