Astronomical Phenomenon October 2021 : Meteor Showers – A Day Without Shadows

The lover of astronomy, lest you miss the phenomena of the sky in the month of October. If necessary, make a note of important dates in the calendar of astronomy here.
Based on the astronomical calendar the month of October released National aeronautics and Space Agency (LAPAN), here are some of the astronomical phenomena of interest that are worth the wait.

  1. The Day Without The Shadow
    The day without the shadow in Indonesia is still ongoing until October. This is a day without a shadow of a second time this year. The first has already happened since the end of February to early April, while the second, going on a date 6 September-21 October. To see the full schedule of the day without a shadow of a per region, can see in the following link.
  2. The Peak Of The Meteor Shower Draconid (October 8)
    Meteor shower Draconid active since 6-10 October, and the peak occurred on 8 October at 16.00/17.00/18.00 CEST. Meteor shower Draconid is a meteor shower is known with variations in the intensity and in the past been producing some of the meteor storm (close to 1,000 meteors per hour).
  3. Conjunctions Triple Moon-Venus-Antares (9-10 October)
    The moon experience a conjunction with Venus and Antares, the main star in the constellation of Skorpius for two days since October 9. Can be watched from west-southwest since 20 minutes after sunset, during 2.5 hours.

In The Beginning, the Moon conjuncing with the Venus with the angle separating Venus-Antares of 8.1 degrees. The next day, Month left of Venus and conjuncingvwith Antares with the angle of separation of 3.7 – 4.4 degrees. Meanwhile, the angle separating Venus-Antares of 7.1 degrees. Magnitude of Venus by -4,30 while the magnitude Antares by +1,05. Month phased sickle beginning with the illumination of 11.8%-20,6%.

  1. The First sighting of Mercury at Dawn (17 October)
    After the Mercury experience ketampakan last when twilight and the conjunction of an inferior planet, it observed back when dawn since 17 October. Mercury can be seen during the beginning of the dawn of the maritime from the direction of the east for 20 minutes and it is located near the constellation of Virgo. Magnitude of Mercury by +1,16 and Mercury is 46.460.000 km from the Sun.
  2. The Peak Of The Meteor Shower Epsilon Geminid (18-19 October)
    Epsilon Geminid is a meteor shower that is radians (the origin of the emergence of the meteor)-its located in the constellation Gemini, near the star Epsilon Geminorium. The phenomenon of the meteor shower is active from 14-27 November, and the intensity of the meteor maximum occurred on October 19, 2021 at 05.00 PM/06.00 PM/07.00 WIT.
  3. The Peak Of The Meteor Shower Orionid (21 October)
    Meteor shower Orionid active since 2-7 October and the peak occurred on October 21, 18.00/19.00 PM/20: 00 CET. The meteor shower is named after the point-based radiannya located in the constellation Orion.

Meteor shower Orion comes from the rest of the dust of Halley’s comet, which orbits the Sun every 76 years. Meteor-meteor Orionid entering the Earth’s atmosphere at a speed of 67 km/sec.

  1. The Peak Of The Meteor Shower Leonis Minorid (October 25)
    Leonis Minorid is a meteor shower that is radians or the origin of the emergence of the meteor is located in the constellation Leo Minor, near the constellation of Leo. A meteor shower is active from 19 to 27 October, and the intensity of the meteor maximum occurred on October 25, 2021 at 09: 00 PM/10.00 PM/11.00 WIT.

The meteor shower can be seen from the direction of the east Sea since at 03.00 local time up to 20 minutes before sunrise. The maximum intensity of the moment is radiannya was at the zenith of 3 meteors per hour.

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