みずがめ座δ流星群観測報告

<BODY marginwidth="20" marginheight="20" topmargin="20" leftmargin="20"> <DIV class="standard_width"> <H1>■みずがめ座δ流星群観測報告</H1> <P>今年も夏がやってきました…て、去年と冒頭一緒やん…　なんてことはおいといて、星見のシーズン、流星のシーズンですね。今年はといいますと、８月４日が満月ということで、８月上旬がベッタリと月にやられてしまいます。ペルセの極大に向かって盛り上がっていくところに「光を差される」のは残念ですね。</P> <HR size="1"> <H3>■観測結果</H3> <TABLE border="0" width="480" cellspacing="1" cellpadding="1" align="center"> <TR valign="top"> <TD><STRONG>観測地　Ａ：</STRONG></TD> <TD>竜天天文台公園（岡山県赤磐郡吉井町）　標高470m<BR> 東経134°00′18″　北緯34°53′26″</TD> </TR> <TR valign="top"> <TD><STRONG>観測地　Ｂ：</STRONG></TD> <TD>オリーブ園（岡山県邑久郡牛窓町）　標高166m<BR> 東経134°09′　北緯34°37′</TD> </TR> <TR valign="top"> <TD><STRONG>観測者：</STRONG></TD> <TD>L!b</TD> </TR> <TR valign="top"> <TD><STRONG>観測方法：</STRONG></TD> <TD>眼視計数観測（天頂方向）</TD> </TR> </TABLE> <TABLE border="0" width="480" cellspacing="0" cellpadding="1" align="center"> <TR> <TH class="tone4">日付</TH> <TH class="tone4">開始</TH> <TH class="tone4">終了</TH> <TH class="tone4">分</TH> <TH class="tone4">全<BR>流<BR>星</TH> <TH class="tone4">散<BR>在</TH> <TH class="tone4">み<BR>ず<BR>が<BR>め<BR>δ</TH> <TH class="tone4">み<BR>ず<BR>が<BR>め<BR>ζ</TH> <TH class="tone4">み<BR>ず<BR>が<BR>め<BR>ι</TH> <TH class="tone4">や<BR>ぎ<BR>α</TH> <TH class="tone4">ペ<BR>ル<BR>セ<BR>ウ<BR>ス</TH> <TH class="tone4">は<BR>く<BR>ち<BR>ょ<BR>う<BR>κ</TH> <TH class="tone4">最微</TH> <TH class="tone4">雲量</TH> <TH class="tone4">観<BR>測<BR>地</TH> </TR> <TR> <TH class="tone2">2001年7月</TH> <TH colspan="14" class="tone2">　</TH> </TR> <TR> <TH rowspan="3" class="tone0">24/25</TH> <TH class="tone0">0:00</TH> <TH class="tone0">1:10</TH> <TH class="tone0">55</TH> <TH class="tone0" id="black">20</TH> <TH class="tone0" id="black">8</TH> <TH class="tone0" id="red">4</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">5.9</TH> <TH class="tone0">1.5</TH> <TH rowspan="3" class="tone0">A</TH> </TR> <TR> <TH class="tone0">2:15</TH> <TH class="tone0">3:05</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">17</TH> <TH class="tone0" id="black">11</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.2</TH> <TH class="tone0">0.9</TH> </TR> <TR> <TH class="tone0">3:05</TH> <TH class="tone0">3:55</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">20</TH> <TH class="tone0" id="black">15</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">3</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.2</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH rowspan="4" class="tone1">25/26</TH> <TH class="tone1">23:30</TH> <TH class="tone1">0:35</TH> <TH class="tone1">65</TH> <TH class="tone1" id="black">32</TH> <TH class="tone1" id="black">20</TH> <TH class="tone1" id="red">5</TH> <TH class="tone1" id="red">3</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">4</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">6.2</TH> <TH class="tone1">0.0</TH> <TH rowspan="4" class="tone1">A</TH> </TR> <TR> <TH class="tone1">0:35</TH> <TH class="tone1">1:40</TH> <TH class="tone1">65</TH> <TH class="tone1" id="black">39</TH> <TH class="tone1" id="black">21</TH> <TH class="tone1" id="red">9</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">3</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">6.2</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH class="tone1">1:40</TH> <TH class="tone1">2:45</TH> <TH class="tone1">65</TH> <TH class="tone1" id="black">27</TH> <TH class="tone1" id="black">15</TH> <TH class="tone1" id="red">6</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">4</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH class="tone1">2:45</TH> <TH class="tone1">3:50</TH> <TH class="tone1">65</TH> <TH class="tone1" id="black">27</TH> <TH class="tone1" id="black">16</TH> <TH class="tone1" id="red">7</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH rowspan="4" class="tone0">26/27</TH> <TH class="tone0">23:50</TH> <TH class="tone0">0:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">28</TH> <TH class="tone0" id="black">14</TH> <TH class="tone0" id="red">9</TH> <TH class="tone0" id="red">3</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.2</TH> <TH class="tone0">0.0</TH> <TH rowspan="4" class="tone0">A</TH> </TR> <TR> <TH class="tone0">0:50</TH> <TH class="tone0">1:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">32</TH> <TH class="tone0" id="black">15</TH> <TH class="tone0" id="red">7</TH> <TH class="tone0" id="red">4</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.2</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH class="tone0">1:50</TH> <TH class="tone0">2:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">29</TH> <TH class="tone0" id="black">23</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="red">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.4</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH class="tone0">2:50</TH> <TH class="tone0">3:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">41</TH> <TH class="tone0" id="black">24</TH> <TH class="tone0" id="red">6</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">7</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.4</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH rowspan="2" class="tone1">27/28</TH> <TH class="tone1">23:50</TH> <TH class="tone1">0:40</TH> <TH class="tone1">50</TH> <TH class="tone1" id="black">25</TH> <TH class="tone1" id="black">12</TH> <TH class="tone1" id="red">4</TH> <TH class="tone1" id="red">5</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">3</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">5.9</TH> <TH class="tone1">0.0</TH> <TH rowspan="2" class="tone1">A</TH> </TR> <TR> <TH class="tone1">0:40</TH> <TH class="tone1">1:30</TH> <TH class="tone1">50</TH> <TH class="tone1" id="black">16</TH> <TH class="tone1" id="black">9</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">5.9</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH rowspan="2" class="tone0">29/30</TH> <TH class="tone0">2:00</TH> <TH class="tone0">2:45</TH> <TH class="tone0">45</TH> <TH class="tone0" id="black">17</TH> <TH class="tone0" id="black">8</TH> <TH class="tone0" id="red">4</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">5.8</TH> <TH class="tone0">0.0</TH> <TH rowspan="2" class="tone0">A</TH> </TR> <TR> <TH class="tone0">2:45</TH> <TH class="tone0">3:30</TH> <TH class="tone0">45</TH> <TH class="tone0" id="black">24</TH> <TH class="tone0" id="black">13</TH> <TH class="tone0" id="red">6</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">-</TH> <TH class="tone0">6.0</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH class="tone1">31/1</TH> <TH class="tone1">3:30</TH> <TH class="tone1">4:00</TH> <TH class="tone1">30</TH> <TH class="tone1" id="black">14</TH> <TH class="tone1" id="black">7</TH> <TH class="tone1" id="red">5</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">-</TH> <TH class="tone1">6.2</TH> <TH class="tone1">0.3</TH> <TH class="tone1">B</TH> </TR> <TR> <TH class="tone2">2001年8月</TH> <TH colspan="14" class="tone2">　</TH> </TR> <TR> <TH rowspan="4" class="tone0">11/12</TH> <TH class="tone0">0:00</TH> <TH class="tone0">0:45</TH> <TH class="tone0">45</TH> <TH class="tone0" id="black">23</TH> <TH class="tone0" id="black">7</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">11</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0">5.9</TH> <TH class="tone0">2.9</TH> <TH rowspan="4" class="tone0">A</TH> </TR> <TR> <TH class="tone0">1:40</TH> <TH class="tone0">2:30</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">27</TH> <TH class="tone0" id="black">5</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">17</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0">5.9</TH> <TH class="tone0">1.3</TH> </TR> <TR> <TH class="tone0">2:30</TH> <TH class="tone0">3:20</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">33</TH> <TH class="tone0" id="black">13</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">17</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0">5.9</TH> <TH class="tone0">1.0</TH> </TR> <TR> <TH class="tone0">3:20</TH> <TH class="tone0">4:10</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">33</TH> <TH class="tone0" id="black">7</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">23</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0">5.9</TH> <TH class="tone0">1.0</TH> </TR> <TR> <TH rowspan="3" class="tone1">12/13</TH> <TH class="tone1">0:15</TH> <TH class="tone1">1:30</TH> <TH class="tone1">57</TH> <TH class="tone1" id="black">51</TH> <TH class="tone1" id="black">10</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">38</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1">5.9</TH> <TH class="tone1">0.7</TH> <TH rowspan="3" class="tone1">A</TH> </TR> <TR> <TH class="tone1">1:30</TH> <TH class="tone1">3:00</TH> <TH class="tone1">54</TH> <TH class="tone1" id="black">40</TH> <TH class="tone1" id="black">9</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">30</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1">5.8</TH> <TH class="tone1">2.2</TH> </TR> <TR> <TH class="tone1">3:00</TH> <TH class="tone1">4:10</TH> <TH class="tone1">55</TH> <TH class="tone1" id="black">39</TH> <TH class="tone1" id="black">13</TH> <TH class="tone1" id="red">3</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">21</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1">5.6</TH> <TH class="tone1">1.7</TH> </TR> <TR> <TH class="tone0">13/14</TH> <TH class="tone0">0:00</TH> <TH class="tone0">0:50</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">38</TH> <TH class="tone0" id="black">14</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">19</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0">6.2</TH> <TH class="tone0">1.5</TH> <TH class="tone0">A</TH> </TR> <TR> <TH class="tone1">14/15</TH> <TH class="tone1">1:50</TH> <TH class="tone1">2:30</TH> <TH class="tone1">40</TH> <TH class="tone1" id="black">20</TH> <TH class="tone1" id="black">9</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">8</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1">6.2</TH> <TH class="tone1">1.0</TH> <TH class="tone1">A</TH> </TR> <TR> <TH rowspan="4" class="tone0">15/16</TH> <TH class="tone0">23:50</TH> <TH class="tone0">0:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">24</TH> <TH class="tone0" id="black">10</TH> <TH class="tone0" id="red">3</TH> <TH class="tone0" id="red">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">3</TH> <TH class="tone0" id="black">6</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0">6.1</TH> <TH class="tone0">0.4</TH> <TH rowspan="4" class="tone0">A</TH> </TR> <TR> <TH class="tone0">0:50</TH> <TH class="tone0">1:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">26</TH> <TH class="tone0" id="black">9</TH> <TH class="tone0" id="red">0</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">13</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0">6.4</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH class="tone0">1:50</TH> <TH class="tone0">2:50</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">35</TH> <TH class="tone0" id="black">16</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">13</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0">6.3</TH> <TH class="tone0">0.2</TH> </TR> <TR> <TH class="tone0">3:06</TH> <TH class="tone0">3:51</TH> <TH class="tone0">45</TH> <TH class="tone0" id="black">27</TH> <TH class="tone0" id="black">16</TH> <TH class="tone0" id="red">3</TH> <TH class="tone0" id="red">2</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0">6.2</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH rowspan="4" class="tone1">16/17</TH> <TH class="tone1">0:00</TH> <TH class="tone1">1:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">27</TH> <TH class="tone1" id="black">16</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="red">3</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">4</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1">6.3</TH> <TH class="tone1">0.0</TH> <TH rowspan="4" class="tone1">A</TH> </TR> <TR> <TH class="tone1">1:00</TH> <TH class="tone1">2:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">29</TH> <TH class="tone1" id="black">16</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">7</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH class="tone1">2:00</TH> <TH class="tone1">3:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">32</TH> <TH class="tone1" id="black">19</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">8</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH class="tone1">3:00</TH> <TH class="tone1">4:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">24</TH> <TH class="tone1" id="black">13</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">6</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH rowspan="4" class="tone0">17/18</TH> <TH class="tone0">0:00</TH> <TH class="tone0">1:00</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">22</TH> <TH class="tone0" id="black">14</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">2</TH> <TH class="tone0">6.1</TH> <TH class="tone0">0.2</TH> <TH rowspan="4" class="tone0">A</TH> </TR> <TR> <TH class="tone0">1:00</TH> <TH class="tone0">2:00</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">23</TH> <TH class="tone0" id="black">15</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0">6.2</TH> <TH class="tone0">0.0</TH> </TR> <TR> <TH class="tone0">2:00</TH> <TH class="tone0">3:00</TH> <TH class="tone0">60</TH> <TH class="tone0" id="black">25</TH> <TH class="tone0" id="black">16</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">7</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0">6.4</TH> <TH class="tone0">0.4</TH> </TR> <TR> <TH class="tone0">3:00</TH> <TH class="tone0">3:50</TH> <TH class="tone0">50</TH> <TH class="tone0" id="black">19</TH> <TH class="tone0" id="black">13</TH> <TH class="tone0" id="red">0</TH> <TH class="tone0" id="red">1</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0" id="black">1</TH> <TH class="tone0" id="black">4</TH> <TH class="tone0" id="black">0</TH> <TH class="tone0">6.4</TH> <TH class="tone0">2.2</TH> </TR> <TR> <TH rowspan="4" class="tone1">18/19</TH> <TH class="tone1">0:00</TH> <TH class="tone1">1:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">21</TH> <TH class="tone1" id="black">11</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="red">3</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> <TH rowspan="4" class="tone1">A</TH> </TR> <TR> <TH class="tone1">1:00</TH> <TH class="tone1">2:00</TH> <TH class="tone1">50</TH> <TH class="tone1" id="black">14</TH> <TH class="tone1" id="black">10</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">1</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1">6.4</TH> <TH class="tone1">1.0</TH> </TR> <TR> <TH class="tone1">2:00</TH> <TH class="tone1">3:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">31</TH> <TH class="tone1" id="black">17</TH> <TH class="tone1" id="red">4</TH> <TH class="tone1" id="red">1</TH> <TH class="tone1" id="black">2</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">4</TH> <TH class="tone1" id="black">3</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH class="tone1">3:00</TH> <TH class="tone1">4:00</TH> <TH class="tone1">60</TH> <TH class="tone1" id="black">16</TH> <TH class="tone1" id="black">11</TH> <TH class="tone1" id="red">0</TH> <TH class="tone1" id="red">2</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1" id="black">3</TH> <TH class="tone1" id="black">0</TH> <TH class="tone1">6.4</TH> <TH class="tone1">0.0</TH> </TR> <TR> <TH class="tone2">合計</TH> <TH colspan="2" class="tone2">　</TH> <TH class="tone2">2251</TH> <TH class="tone2" id="black">1107</TH> <TH class="tone2" id="black">540</TH> <TH class="tone2" id="red">109</TH> <TH class="tone2" id="red">66</TH> <TH class="tone2" id="black">17</TH> <TH class="tone2" id="black">44</TH> <TH class="tone2" id="black">311</TH> <TH class="tone2" id="black">20</TH> <TH colspan="3" class="tone2">　</TH> </TR> </TABLE> <TABLE border="0" width="480" cellspacing="1" cellpadding="1" align="center"> <TR valign="top"> <TD class="red"> ※7月24/25日0:00-1:10は、0:30-0:45で雲量増大の為、一時中断。<BR> ※8月12/13日0:15-1:30は、0:32-0:50で雲量増大の為、一時中断。<BR> ※8月12/13日1:30-3:00は、1:42-2:05, 2:30-2:43で雲量増大の為、一時中断。<BR> ※8月12/13日3:00-4:10は、3:08-3:15, 3:19-3:24, 3:34-3:37で雲量増大の為、一時中断。<BR> ※8月18/19 1:00-2:00は、1:25-1:35で雲量増大の為、一時中断。 </TD> </TR> </TABLE> <BR> <TABLE border="0" width="400" cellspacing="0" cellpadding="0" align="center"> <TR> <TD><IMG alt="観測結果" src="fig_01.gif" width="400" height="300"></TD> </TR> </TABLE> <TABLE border="0" width="400" cellspacing="1" cellpadding="0" align="center"> <TR> <TD class="color">みずがめ座δ流星群の<STRONG>HR</STRONG>(1時間あたりの流星数)をプロットしたもの。</TD> </TR> </TABLE> <HR size="1"> <H3>■観測日記</H3> <H5>●7月24/25日</H5> <UL> みずがめ群の極大が迫ってきました。ぼちぼち始動です。空の状態はまあふつう…と思ったらちょっと雲にじゃまされてしまいました。みずがめ群、ちょっと少な目でしょうか？観測中、人工衛星が４つ編隊を組んで飛んでいくのを目撃。編隊飛行をしているのは初めてみました。 </UL> <H5>●7月25/26日</H5> <UL> 今夜は空、上々です。その代わり夏にしては冷え込みましたが。そしてその分流星数も昨夜に比べて５割増しといった感じで記録が忙しいです。みずがめ群、まあこんなところでしょうか。やぎ群がまあまあでているような気がします。今夜も人工衛星の編隊飛行を目撃、今夜は３つでした。 </UL> <H5>●7月26/27日</H5> <UL> 今夜も昨夜と同様、上々の空です。おかげで流星数が多くてにぎやかなのはいいのですが、派手な流星が少ないのはちょっと残念ですね。なんだか２時台のみずがめ群がやたら少なくなってしまいました。Ｋ効果ですかねえ（だから違うって^^;）。真夜中に某氏来台。目的を果たせず失意のまま帰途につきましたとさ。 </UL> <H5>●7月27/28日</H5> <UL> そろそろみずがめ群の極大期、記録装置を用意しての観測だったんですが、今夜の空は今1つ…　おまけに1時半頃から竜天は、あっという間に雲の中に埋没してしまいました。 </UL> <H5>●7月28/29日</H5> <UL> 竜天は雲の中～、牛窓まで行ってみたけどどうにもダメダメ… </UL> <H5>●7月29/30日</H5> <UL> 日が暮れると共になんだかダメダメな空へ…　それでも様子見をしていたら何とか晴れてきました。今2つな空でしたが、その後雲に埋没するまでの1時間半、何とか観測。夏の竜天には巨大除湿器が欲しいですね、タンクが早明浦ダムくらいある… </UL> <H5>●7月30/31日</H5> <UL> 夜半前に竜天についてみると以外？にもいい天気。これなら今夜はいけるかと思いましたが、観測開始後わずか10分で雲の中～～～♪ </UL> <H5>●7月31/1日</H5> <UL> どうも夏の竜天は…と言うことで今夜は牛窓へ。観測開始前は良く晴れてました、ええ、開始前は…　そして終了後も……… </UL> <HR size="1"> <P>満月期突入のためこれにて観測装置は一時稼働中止。次回稼働はペルセ直前の予定です。</P> <P align="center" class="jump">▼<BR> | <A href="../../per/akagi/index.html" target="_self">ペルセウス座流星群観測報告</A> |</P> <DIV align="right" 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