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APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Sep 28, 2021 4:05 am
by APOD Robot
Night of the Perseids
Explanation: Have you ever experienced a meteor shower? To help capture the
wonder, a video was taken during the peak of the recent
Perseid meteor shower above the
Indian Astronomical Observatory in
Hanle,
India, high up in the
Himalayan mountains. Night descends as
the video begins, with the central plane of our
Milky Way Galaxy approaching from the left and
Earth-orbiting satellites zipping by overhead. During the night, the
flash of meteors that usually takes less than a second is artificially extended. The
green glow of most meteors is typically caused by vaporizing
nickel. As the video continues,
Orion rises and
meteors flare above the 2-meter
Himalayan Chandra Telescope and the seven barrels of the
High Energy Gamma Ray Telescope (Hagar). The 2 minute 30 second
movie ends with the
Sun rising, preceded by a
false dawn of
zodiacal light.
Re: APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Sep 28, 2021 12:25 pm
by saturno2
Interesting video
Re: APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Sep 28, 2021 1:19 pm
by orin stepanek
What is kitty looking at?
Brr! I love Orion; but this looks cold!!
![Shocked :shock:](./images/smilies/icon_eek.gif)
Re: APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Sep 28, 2021 3:07 pm
by pentacular
From 1:26 to 1:30, there is a near perfect pentagram at lower mid right. Can anyone tell where that is?
Re: APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Sep 28, 2021 5:09 pm
by Ann
pentacular wrote: ↑Tue Sep 28, 2021 3:07 pm
From 1:26 to 1:30, there is a near perfect pentagram at lower mid right. Can anyone tell where that is?
Do you mean the Rho Ophiuchi cloud complex with Antares?
The yellow-orange star at lower left in the pentagram is red supergiant star Antares. The "star" to the right of it is actually not an individual star, but instead a
globular cluster, M4. The blue star at the top of the pentagram is Rho Ophiuchi, which has given this cloud complex its name. The star to the upper right of M4 is Sigma Scorpii.
Ann
Re: APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Sep 28, 2021 7:11 pm
by pentacular
Ann wrote: ↑Tue Sep 28, 2021 5:09 pm
Do you mean the Rho Ophiuchi cloud complex with Antares?
I do. THANK YOU!
Re: APOD: Night of the Perseids (2021 Sep 28)
Posted: Tue Oct 12, 2021 10:10 pm
by orin stepanek
You know they do almost make a perfect pentagram!
![Cool 8-)](./images/smilies/icon_cool.gif)