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ઁ࿾ὐߣหᤨ᷹ⷰߒߡᲧセߔࠆ႐วߦߪ╬⾰ߥ⊒శ࠳ߪᄤ૕᷹ⷰ↪ߩశ㔚᷹శⵝ⟎ࠍ↪޿‫ޔ‬᣿ࠆߐߪࡈࠜ࠻ࠗࠝ࡯࠼ࠍㆬ߮૶↪ߔࠆࠃ߁ߦߒߥߌࠇ߫ߥࠄߥ޿‫ޕ‬㧙 㧙ᄛⓨࡔ࡯࠲࡯ߩ⵾૞ߣᤊⓨⅣႺߩ᷹ቯߘߩ㧞࠺ࠫ࠲࡞ࡄࡀ࡞ࡔ࡯࠲࡯ߩ♖ᐲᢿߢ߈ࠆ  ╬ࠍ⋡ᮡߣߔࠆߣ‫⊒ޔ‬శ࠳ࠗࠝ࡯࠼એᄖ‫ޓ‬ᄛⓨࡔ࡯࠲࡯ߢ૶↪ߒߡ޿ࠆ࠺ࠫ࠲࡞ࡄࡀ࡞ࡔ࡯ߪචಽߥ♖ᐲ߇޽ߞߚ‫⊒ޕ‬శ࠳ࠗࠝ࡯࠼ߛߌߪ‫ޔ‬ᄙᢙ࠲࡯ߪ㔚࿶⸘ߢ޽ࠆ‫⊒ޕ‬శ࠳ࠗࠝ࡯࠼ߦ㧝㧑⚖ߩ㧝Mߩਛ߆ࠄ⾰ߩߘࠈߞߚ߽ߩࠍㆬ߱ᔅⷐ߇޽ࠆ‫ޕ‬ǡߩᛶ᛫ࠍ⋥೉ߦߟߥ߉ᛶ᛫ߩਔ┵ߩ㔚࿶ࠍ᷹ࠆߎߣߢ⊒శ࠳ࠗࠝ࡯࠼ߦᵹࠇࠆ㔚ᵹࠍ㔚࿶ߦᄌ឵ߒߡ⴫␜㧟㧚ᄛⓨࡔ࡯࠲࡯ߩ૶޿ᣇߦߟ޿ߡߒߡ޿ࠆ‫࠴࡞ࡑ࡞࠲ࠫ࠺ߣ࡯࠲࡯ࡔ࡞ࡀࡄ࡞࠲ࠫ࠺ޕ‬㧝㧕ࡊ࡜ࡀ࠲࡝࠙ࡓߢߩ᷹ቯታ⠌ࡔ࡯࠲࡯ߢ᷹ቯߒߚ⚿ᨐࠍ࿑  ߦ␜ߔ‫ޕ‬቟ଔߢߪ޽‫ޓ‬ᄛⓨࡔ࡯࠲࡯ߩ૶޿ᣇߦߟ޿ߡࡊ࡜ࡀ࠲࡝࠙ࡓߩਛࠆ߇‫⺋ޔ‬Ꮕߪ㧝㧑એਅߢ޽ࠅ‫ޔ‬චಽߥ♖ᐲ߇޽ࠆߎߣߢታ⠌ࠍⴕߞߚ‫ޕ‬㜞ᩞ↢‫ޔ‬ቇ↢‫ޔ‬ᢎຬ‫ޔ‬ⅣႺߦ㑐ᔃࠍ߇ࠊ߆ߞߚ‫ޕ‬ੱߥߤ  ฬߩෳട߇޽ߞߚ‫ޕ‬ᆎ߼ߦᄛⓨࡔ࡯࠲࡯ߩࠅߩ޽ࠆᤊⓨࠍᛩᓇߒ‫ޔ‬ฦᣇ૏ߩ᣿ࠆߐ߿ർᭂᤊ߿ᄤ㪉㪇㪇㗂ᣇะ‫ޔ‬ਥߥ৻╬ᤊߩᣇะߩᄛⓨߩ᣿ࠆߐࠍ᷹ቯߒߚ‫ޕ‬‫ޓ‬᷹ቯ⚿ᨐࠍߺࠆߣ߫ࠄߟ߈ߪᄢ߈޿߇‫ޔ‬ೋ߼ߡᠲ૞㪈㪌㪇ߒࡊ࡜ࡀ࠲࡝࠙ࡓߩᄛⓨߩ᣿ࠆߐࠍᢙ୯ߢ⴫ߔߎߣ߇ߢ߈ߚߩߢᚑᨐ߇޽ߞߚߣ⠨߃ࠆ‫ޕ‬ᗵᗐߣߒߡ‫ޔ‬ᠲ૞㪈㪇㪇ߪ◲නߛߞߚߣ޿߁ჿ߽޽ߞߚ߇‫╬৻ޔ‬ᤊ߇ߤࠇߛ߆㪌㪇㪋㪇㪊㪌㪇㪇㪅㪇㪌㪇㪅㪇㪈㪇㪇㪅㪇㪈㪌㪇㪅㪇㪉㪇㪇㪅㪇䊂䉳䉺䊦䊌䊈䊦䊜䊷䉺䊷䋨䌭䌖䋩㪉㪌㪇㪅㪇଎ 21ȅΟΐΗσΩΥσιȜΗȜ͈ୈഽᄛⓨ䈱᣿䉎䈘䋨䌭䌖䋩䊂䉳䉺䊦䊙䊦䉼䊜䊷䉺䊷䋨䌭䌖䋩㔚Ḯ߿᣿ࠆߐ⺞ᢛߥߤၮᧄ⊛ߥߎߣࠍ⺑᣿ߒ‫ⴝޔ‬᣿߆㪉㪌㪇㪊㪇㪉㪌㪉㪇㪈㪌㪈㪇㪌ນˍȅ࿡ߗιȜΗȜ͈๤‫ڛ‬䉝 䊔䉧䊦䉺䉟䊦䊂䊈䊑ᄤ㗂ർ ർᭂ䇭㜞 ᤊ⷏ ᐲ㪈㪇䇭㜞 ᐲධ ᐲ㪈䇭 㜞 㪇ᐲ᧲ ᐲ㪈㪇䇭㜞 ᐲᐲ䉦䉲 㪈㪇ᐲ䉥䊕䊟㱏ᭂᤊർᄤ㗂㪇଎ 22ȅίρΥΗς;θ͈́௶೰ࠫ‫ض‬མ͉௶೰౵͈໹޳Ȃळ஌͉໦८ͬা̳ȅಽ߆ࠄߥ޿ߣ޿߁↢ᓤ߽ᄙ߆ߞߚ‫ޕ‬‫ߩߢࡓ࠙࡝࠲ࡀ࡜ࡊޓ‬᷹ቯታ⠌ߪߚ޿߳ࠎ᦭ലߢ޽ߞߚ‫ޕ‬ೋ߼ߡ‫߽߆ߒޔ‬ᥧ޿ߣߎࠈߢᠲ૞ߔࠆߩߢ৻ᢧߦᄛⓨࡔ࡯࠲࡯ߩᲧセ⡊ߢ⡞޿ߡࠊ߆ࠆߎߣ‫ޕ‬᣿ࠆ޿ᄛⓨ߿ᥧ޿ᄛⓨࠍṶ಴‫⵾ޓ‬૞ߒߚᄛⓨࡔ࡯࠲࡯ߩਛ߆ࠄ‫ޔ‬㧞บࠍㆬ᷹߮ቯߒߢ߈‫ޔ‬⍴ᤨ㑆ߢߐ߹ߑ߹ߥ᷹ቯ✵⠌߇ߢ߈ࠆߎߣ‫ޕ‬ฦߚ‫ߊోޕ‬หߓ઀᭽ߛ߇㧭ߩᣇ߇᧚ᢱߩ⚕╴ߩ⋥ᓘ߇߿ᣇ૏ߩઁ‫╬৻ޔ‬ᤊߩᣇะߩᄛⓨࠍ᷹ቯߔࠆߩߢ‫ޔ‬ೋᔃ߿ᄥ޿‫ޕ‬᷹ቯߪ㧣᦬  ᣣ  ᤨߦᩙේᏒ㢩ᴛߢ᷹ቯߒ⠪ߦߪ᷹ቯߒߥ߇ࠄᤊᐳߩቇ⠌߇ߢ߈ࠆߎߣ‫ޕ‬ᄤ૕ⷰߚ‫ޕ‬㧭ߩᄛⓨࡔ࡯࠲࡯‫ޔ‬㧮ߩᄛⓨࡔ࡯࠲࡯ߩ㗅ߦᄤ㗂᷹ߦㆡߒߚᄛߪ᦬ߦᢙᣣߒ߆ߥߊ‫ߦᤨߩߘޔ‬቟ోߦታߩᄛⓨߩ᣿ࠆߐࠍ᷹ቯߒ‫ࠍࠇߎޔ‬㧡࿁➅ࠅ㄰ߒߚ‫⴫ޕ‬⠌ߢ߈ࠆ႐ᚲߪᢙዋߥ޿ߎߣߥߤ߆ࠄ᦭ലߢ޽ࠆ‫੹ޕ‬㧝ߦ␜ߒߚ⚿ᨐࠍߺࠆߣ᷹ቯ୯ߩ㧡㧑⒟ᐲߩ⺋Ꮕ߇޽ᓟߪᄛⓨࡔ࡯࠲࡯ࠍⶄᢙบ㓸߼ߡ⊒శ࠳ࠗࠝ࡯࠼ߩ᣿ࠆ‫ޕ‬ࠆߐߩ࠴ࠚ࠶ࠢߦ߽ᵴ↪ߢ߈ࠆߣᕁࠊࠇࠆ‫ޕ‬‫ޓ‬એ਄ߩὐ߆ࠄ‫ޔ‬ᄛⓨࡔ࡯࠲࡯ߩ♖ᐲࠍੱ㑆ߩ⋡ߢ್㧙 㧙ችၔᢎ⢒ᄢቇⅣႺᢎ⢒⎇ⓥ♿ⷐ‫╙ޓ‬㧤Ꮞ 㧞㧕ᄛⓨࡔ࡯࠲࡯ߩ web ౏㐿‫ޓ‬ᄛⓨࡔ࡯࠲࡯ߩ૶޿ᣇ⺑᣿ᦠߩ૞ᚑߣߣ߽ߦ‫ߢ⺕ޔ‬߽೑↪ߢ߈ࠆࠃ߁ߦ‫̌ޔ‬ᤊⓨⷰኤࡀ࠶࠻ߩᐢ႐̍ߦᄛⓨࡔ࡯࠲࡯ߩ૶޿ᣇ‫⸥ޔ‬㍳↪⚕ߩ࠳࠙ࡦࡠ࡯࠼‫ޔ‬㑐ଥ⺰ᢥࠍ⚫੺ߔࠆ web ࠍ૞ᚑߒ౏㐿ߒߚ‫ޕ‬දห᷹ⷰߩ
๭߮߆ߌߦ߽ᤊⓨⷰኤࡀ࠶࠻ߩࡔ࡯࡝ࡦࠣ࡝ࠬ࠻ࠍᵴ
↪ߒߡ޿ࠆ‫ޕ‬ᤊⓨⷰኤࡀ࠶࠻ീᒝળ‫ޔ‬ᄛⓨࡔ࡯࠲࡯ߦߟ޿ߡ
http://www.hosizora.miyakyo-u.ac.jp/study/yozora.html
଎ 25ȅ21 ࠮ 39 ඾ȡ 22 ࠮ː඾͈́͘ 32 শ͈௶೰ࠫ‫ض‬ȁȁȁ!٬௰͈ɛ͉υϋΡϋ͈௶೰ࠫ‫ͬض‬া̳ȅ㧠㧚ᄛⓨߩ᣿ࠆߐߩ᷹ቯ⚿ᨐ㧝㧕‫ޓ‬࿾ၞߏߣߩᄤ㗂ߩ᣿ࠆߐ‫ ޓ‬ᐕߦߪ㧞࿁ߩදห᷹ⷰࠍⴕ޿ᦼ㑆ਛߦߩߴ ࿁᷹ቯߐࠇߚ㧔⴫㧞㧕‫ޕ‬ႎ๔ߐࠇߚ᷹ቯ⚿ᨐߩ৻ㇱࠍ࿑ߦ␜ߔ‫ޕ‬᷹ቯᤨೞߪ  ᤨߣ  ᤨߢ޽ࠆ‫ߦᤨ ޕ‬

଎ 26ȅ21 ࠮ 39 ඾ȡ 22 ࠮ː඾͈́͘ 34 শ͈௶೰ࠫ‫ض‬᷹ⷰߢ߈ߡ߽  ᤨߦߪᦅࠆߎߣ߽ߒ߫ߒ߫޽ߞߚ‫ޕ‬࿑ਛߩਣශߩਛߩỚᐲߢᄛⓨߩ᣿ࠆߐࠍ␜ߒߚ‫ޕ‬
଎ 23ȅ˕࠮ 39 ඾ȡ 21 ࠮˒඾͈́͘ 32 শ͈௶೰ࠫ‫ض‬ȁȁȁ ٬௰͈ɛ͉໛‫ؖ‬ঌ͈௶೰ࠫ‫ͬض‬া̳ȅౙպ͉ mv ̜́ͥȅ‫⚿ޓ‬ᨐࠍߺࠆߣ‫੍ޔ‬ᗐㅢࠅ઄บߣᩙේᏒ㢩ᴛߢߪᄛⓨߩ᣿ࠆߐߦ᣿⏕ߥᏅ߇಴ߡ޿ߚ‫ߚ߹ޕ‬หߓ઄บᏒౝߢ߽‫ޔ‬ਛᔃㇱߣᩞᄖߢߪ᣿ࠆߐߩ㆑޿߇಴ߡ޿ߚ‫ޕ‬ᤨߦᲧߴ  ᤨߢߪᥧߊߥߞߡ߅ࠅ‫ޔ‬઄บߢߪ໡ᬺᣉ⸳߿ኅᐸߩᾖ᣿శ߇ᶖἮߐࠇߚߚ߼ߣ⠨߃ࠄࠇࠆ‫ޕ‬ᩙේᏒ㢩ᴛߢߪ‫ߤࠎߣ߶ޔ‬ᥧ޿߹߹ᄌൻ߇ߥߊ⦟ᅢߥᤊ
ⓨⅣႺ߇଻ߚࠇߡ޿ࠆ‫ޕ‬‫ޓ‬઄บߢ᷹ቯࠍߒߚ㜞ᩞߩ࿾ቇㇱຬߪ‫ޟޔ‬㇠ᄖߣ㚞೨ߢߪᄛⓨߩ᣿ࠆߐ߇৻ᩴ㆑ߞߡ޿ߚ‫⚿ޕ‬ᨐ߇ᢙሼߦߥࠆߩߢࠊ߆ࠅ߿ߔ޿‫߁޿ߣޠ‬ᗵᗐࠍ߽ߞߡ޿ߚ‫ޕ‬㧞㧕ోᄤߩᄛⓨߩ᣿ࠆߐߩᤨ㑆ᄌൻ‫ోޓ‬ᄤߩᄛⓨߩ᣿ࠆߐߩᤨ㑆ᄌൻߦߟ޿ߡ‫ޔ‬ችၔᢎ⢒଎ 24ȅ˕࠮ 39 ඾ȡ 21 ࠮˒඾͈́͘ 34 শ͈௶೰ࠫ‫ض‬ᄢߣᩙේᏒ㢩ᴛߩ᷹ቯ⚿ᨐࠍ࿑ ࡮ ߦ␜ߔ‫ޕ‬ᄛⓨࡔ࡯࠲࡯ߢ৻╬ᤊߩᣇะߥߤࠍ᷹ቯߒ‫ోޔ‬ᄤࠍ౞ߢ⴫㧙 㧙ᄛⓨࡔ࡯࠲࡯ߩ⵾૞ߣᤊⓨⅣႺߩ᷹ቯߘߩ㧞ນˎȅ3116 ා࿡ߗ͈ྶ̯ͥ‫ފ‬൳۷௶ࠫ‫ض‬㧙 㧙ችၔᢎ⢒ᄢቇⅣႺᢎ⢒⎇ⓥ♿ⷐ‫╙ޓ‬㧤Ꮞ ߒߚ࿑ߦ␜ߒߚ‫ޕ‬ᄖ஥ߩ౞߇࿾ᐔ✢ࠍ⴫ߒ‫ޔ‬ਛᔃߦะߩ޽ࠆߎߣ߇ࠊ߆ߞߚ‫⎇ޕ‬ⓥળߢᄛⓨࡔ࡯࠲࡯ߦߟ޿

߆ߞߡ㜞ᐲ  ᐲ‫ ޔ‬ᐲ‫ޔ‬ਛᔃ߇ᄤ㗂ߢ޽ࠆ‫ޕ‬ᣇ૏ߪ‫ޔ‬ߡ⊒⴫ߒ‫ߚ߹ޔ‬ᣂ⡞ߦឝタߐࠇߚߎߣ߆ࠄᄙߊߩ෻㗀਄߇ർߢฝ࿁ࠅߦ⷏‫ޔ‬ධ‫ޕࠆ޽ߢ᧲ޔ‬᷹ቯ⚿ᨐ߆ࠄᣇ߇޽ࠅ‫ޔ‬ᄛⓨߩ᣿ࠆߐߦ㑐ᔃࠍᜬߜታ㓙ߦ᷹ቯߒߡߺ૏࡮㜞ᐲߦኻᔕߔࠆ૏⟎ߩਣශߩਛߦ‫ޔ‬ᄛⓨߩ᣿ࠆߐߚ޿ߣ޿߁ੱߩᄙ޿ߎߣ߇ࠊ߆ߞߚ‫੹ޕ‬ᓟ߽࠺࡯࠲ࠍࠍỚᐲߢ␜ߒߚ‫ޕ‬᷹ቯߩߥ޿ߣߎࠈߪ‫ޔ‬๟ࠅߩ᷹ቯ୯

⫾Ⓧߒߡ޿ߊߣߣ߽ߦ‫⃻ޔ‬࿷ᄛⓨߩ᣿ࠆߐߪࡒ࡝ࡏ࡞߆ࠄផቯߒߚ‫ޕ‬Ⴃࠅᣇߪ‫ޔ‬Windows ߦઃዻߔࠆࡍࠗ࠻ߢ⴫␜ߒߡ޿ࠆ߇ᤊߩ᣿ࠆߐห᭽ߦ╬⚖ߢ⴫ߔᣇᴺࠍ⏕┙ߒߚ޿‫ޕ‬‫ޓ‬ᄛⓨࡔ࡯࠲࡯ߩ᷹ቯታ⠌ߦ޽ߚࠅ઄บᏒᄤᢥบߩߏදജࠍ޿ߚߛ߈߹ߒߚ‫ޕ‬઄บᏒᄤᢥบߩ⊝᭽ߦᗵ⻢޿ߚߒ߹ߔ‫ޕ‬
Abstract: Students at a technical high school
developed "Night sky meters" which measure
the brightness of the night sky. Earth science଎ 27ȅȪऒȫ˕࠮ 39 ඾ 32 শȄȪֲȫ34 শȁ‫ޗݠ‬ఱ࿡ߗ͈ྶ̯͉ͥ 21nW ྚྖࣱͬ́ນ̱Ȅ21nW ̮͂ͅถ̩̱̹ȅclub members of another high school who areinterested in the light pollutions  measured
the brightness of the night sky. To understandthe operation of the night sky meter a practicemeeting was held in the planetarium before an
actual measurement. In addition the explanationand the measuring method of the night sky meter
were opened to the public on the website. As theresult of measurements a clear difference wasseen in Sendai and the surrounding area. The଎ 28ȅȪऒȫ˕࠮ 3: ඾ 32 শȄȪֲȫ34 শߪࡔঌᷞా

brightness of the night sky can be obtained by theࡦ࠻࠰ࡈ࠻ߩࠬࡊ࡟࡯ߦࠃࠆ߽ߩߥߩߢ‫ޔ‬ቇᩞ╬ߢ߽

numerical value at once and it results in the largeኈᤃߦห᭽ߩ࿑ࠍ૞ᚑߢ߈ࠆ‫ޕ‬

educational effects. Moreover students in technical‫⚿ߩߎޓ‬ᨐ߆ࠄ߽‫ޔ‬઄บߣᩙේᏒ㢩ᴛߢߪᄛⓨߩ᣿high school feel confidences as their products areࠆߐߦ᣿⏕ߥᏅ߇಴ߡ޿ࠆ‫ޕ‬઄บߩਛᔃㇱ߆ࠄ߿߿㔌used widely.

ࠇߡ޿ࠆችᢎᄢߢߪ  ᤨߪ᧲߆ࠄධߩᣇⷺ߇᣿ࠆߊ‫ޔ‬ ᤨߦߥࠆߣᄛⓨⅣႺ߇Ყセ⊛⦟ߊߥߞߡ޿ࠆ‫ޕ‬ᩙෳ⠨ᢥ₂ේᏒ㢩ᴛߢߪߤߩᣇⷺߢ߽⦟ᅢߥᤊⓨⅣႺ߇଻ߚࠇߡ

Gote Flodqvist㧦Pitch-Black Meter,February 2001,
Sky & Telescope.

޿ࠆ‫ޕ‬દ⮮⧐ᤐ‫ޔ‬㜞↰ᶻሶ㧦ᄛⓨࡔ࡯࠲࡯ߩ⵾૞ߣᤊⓨⅣ㧡㧚߹ߣ߼‫ޓ‬Ⴚߩ᷹ቯ‫ޔ‬ችၔᢎ⢒ᄢቇⅣႺᢎ⢒⎇ⓥ♿ⷐ‫  ╙ޓ‬Ꮞ‫ޓ‬ᄛⓨࡔ࡯࠲࡯ߩ⵾૞ߣ᷹ቯߢߪ‫ޔ‬Ꮏᬺ㜞ᩞߣ᥉ㅢ㜞㧔㧕ᩞߣߩㅪ៤߇޽ࠅ‫ޔ‬Ꮏᬺ㜞ᩞ↢ߦߪ߽ߩߠߊࠅߦኻߔࡎ࡯ࡓࡍ࡯ࠫ

ࠆ⥄ାߣ᥉ㅢ⑼㜞ᩞ↢ߦߪᣣᧄߢೋ߼ߡ⵾૞ߐࠇߚ᷹

Avery Davis 㧦Light Pollution Meter Informationቯᯏߦࠃࠆ⎇ⓥߩ㕙⊕ߐࠍ૕㛎ߐߖࠆ੐߇ߢ߈ߚ‫ޕ‬ᄛⓨࡔ࡯࠲࡯ߩ᷹ቯ♖ᐲߪ⌒ⷞߢߩ᷹ቯߦߪචಽߥ♖ᐲ㧙 㧙

Page by Avery Davis
http://avery.home.mindspring.com/LPmeter.htm