大分、昼の時間が短くなってます。

　今日９月４日の日の出は５時１７分(群馬県)、正午の太陽高度は６０°(夏至では７７°)、日の入りは１８時０７分予定ですから、昼の長さは１２時間５０分です。因みに１周約９億４千万㎞ある公転軌道上に於ける今日の地球の位置は「水瓶座」の東端の方角に到達しています。日本で見る「水瓶座」は口が南を向いてるため逆さまに見えます。「水瓶座」の東隣が有名な「魚座」です。太陽は春分の日に「魚座」にありました。

　ですから、すでに地球は「魚座」の方角に近づきつつあります。秋分の日の午前０時に地球から「魚座」が真南に見えます。星が良く見える夜に確認してみてください。「魚座」は日本ではすでに東から頭上近くにあり、インドの形にそっくりですから確認してみてください。魚座のすぐ下に「春分点」があります。春分点は恒星など天体の位置を示す基準点で、ここは赤緯０度、赤経０°です。

　ところで、今朝の室内気温は２６°と涼しいです。今朝も上４公園で行われるラジオ体操会に参加し、その後、地元・倉賀野小児童の登校時パトロールに参加します。このため、朝からかなり身体を動かすこととなり、結果的にお腹が減って朝食が美味しくなると思います。写真は次第に大きくなりつつあるカッキーの柿です。未だ未だ青く、収穫は１１月です。

Dear my friends abroad

　The simultaneous interpretation for your understanding will be done after my radio gymnastics held in the nearby park and breakfast in Japan time.

............................

　Today, September 4th, sunrise is at 5:17 (Gumma Prefecture), the solar altitude at noon is 60° (77° at the summer solstice), and sunset is scheduled for 18:07, so the length of today is 12 hours and 50 minutes. Incidentally, the position of the Earth on its orbit, which is about 940 million km length, has reached the eastern end of Aquarius, which is one of the twelve zodiacal constellations. When viewed from Japan, Aquarius looks upside down because its mouth faces south. The famous Pisces is to the east of Aquarius. The Sun was in Pisces on the vernal equinox day.

　Therefore, the Earth is already approaching the direction of Pisces. At midnight on the autumn equinox day, Pisces can be seen due south on Earth. Check it out on a night when the stars are clearly visible. Pisces is already overhead by seeing from the east in Japan, and as you know, it looks just like the shape of India, so check it out. The vernal equinox point is just below Pisces. The vernal equinox is the datum point that indicates the positions of celestial bodies such as fixed stars, and here it is at declination 0 degrees and right ascension 0 degrees.

　Not change the sublect, but the indoor temperature early this morning was cool 26° in Celsius . This morning I will take part in radio gymnastics at Kami-4th Park, and then I will patrol the school children of the local Kuragano Elementary School. This will mean I will be moving my body quite a bit in the morning, which will make me hungrier so that my breakfast will taste better. The photo shows Kakki's persimmons, which are gradually growing bigger. They are still green and will be harvested in November. Please come and taste some.

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今の時季 春分点の 位置分かる

　今の夜空には日本列島の頭上に、ご覧の通り、インドの形にそっくりな星座と、その右に大きな四角形があります。前者は「魚座」であり、後者はペガサス座の「秋の四辺形」です。

　しかし、次第に月の光が強くなるので少し見難いですが、チャンスはあります。それは１１月１９日の部分月食の時です。その時刻は１８時０２分頃【関東】です。今回の部分食は月の９０％以上が欠けると言われ、星が見やすいでしょう。

　紀元前のメソポタミア時代に秋の四辺形は「天窓」と言われ、ここから神が地上を覗いていると人々は考えたようです。確かに神の目のような星が二つ光ってます。

　なお、年末まで二つの星座は出ています。左の「魚座」の天の赤道と接するところが春分点です。つまり、春分の日に太陽はここにありました。ここは赤緯０度と赤経０度であり、天の緯度と経度を表す原点です。

Dear my friends overseas

 As you can see, there is a constellation that looks like the shape of India and a large square to the right of it above the Japanese archipelago in the night sky. The former is "Pisces" and the latter is "Autumn quadrilateral"of Pegasus.

 However, it is a little difficult to see because the moonlight gradually becomes stronger day by day, but there is a opportunity. It is the time of the partial lunar eclipse on November 19th. The time is around 18:02 [Kanto region ]. This partial eclipse lacks more than 90% of the moon, so it will be easier for us to see stars.

 In the Mesopotamian era B.C. the autumn quadrilateral was called the "skylight", and people seemed to think that God peeped the earth from here. Certainly two small stars like the eyes of God are shining.

 Two constellations appear until the end of this year. The place where it touches the celestial equator of "Pisces" on the left is the vernal equinox point. In other words, the sun was here on the vernal equinox day. This is 0 degrees declination and 0 degrees right ascension, which is the origin that represents the latitude and longitude of the heaven.

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