[HiDARG-MEMBERS] Nova

[Joe Barry]

My Yeasu VR-5000 frequency range goes up passed  1.420 GHZ. I'll have to
tune around this evening. I don't have a  1.4G yagi ant  but will try
anyway.
  73...Joe K7SQ

On Fri, Aug 13, 2021 at 7:26 AM Austin Smith <asmith73 at hotmail.com> wrote:

> From the standpoint of a ham, the interesting point is that astronomers
> use this frequency to identify and observe far stars and galaxies.  Since
> the frequency is a matter of particle physics it will be a constant
> throughout the universe.  Therefore, any alien astronomer will be using the
> same technique and will be monitoring that frequency.  Any modulated signal
> or repetitive pattern of transmission (as opposed to random noise) that a
> ham could hear might be originating from an alien radio operator.  I
> believe the SETI people monitor 1,420 MHz for this very reason.  Of course,
> the signal might be 10,000,000 years old or more, so you are unlikely to
> get a response if you reply.
>
> 73,
> ASm
> WA5CAW
>
>
>
> ------------------------------
> *From:* HiDARG-Members <hidarg-members-bounces at hidarg.org> on behalf of
> Bob Weed <bweed at prodigy.net>
> *Sent:* Thursday, August 12, 2021 10:55 AM
> *To:* HiDARG Members <hidarg-members at hidarg.org>
> *Subject:* Re: [HiDARG-MEMBERS] Nova
>
> Fascinating information, Austin, even though it's over my head!
>
> Bob, W7SCY
>
> On Thursday, August 12, 2021, 06:06:06 AM PDT, Austin Smith <
> asmith73 at hotmail.com> wrote:
>
>
> I don't know how broad banded the signal would be.  Following is a heavily
> edited quotation from the Encyclopedia Britannica.  For the full
> description, search for "21-centimetre radiation" or "cold hydrogen
> frequency".
>
> **************
> 21-centimetre radiation, electromagnetic radiation of radio wavelength
> emitted by cold, neutral, interstellar hydrogen atoms. According to the
> rules of quantum mechanics, such atoms radiate their acquired energy in the
> form of low-energy photons that correspond to a wavelength of 21
> centimetres, or a frequency of 1,420 megahertz. This transition, called a
> hyperfine transition, occurs roughly every 10 million years. Although the
> transition occurs very rarely, there is so much hydrogen in the Milky Way
> Galaxy that 21-centimetre hydrogen emission is easily observable. The
> 21-centimetre radiation readily penetrates the clouds of interstellar dust
> particles that obstruct optical observations deep into the galactic centre
> and thus allows the mapping of the galaxy’s spiral structure.
> ********************
>
> 73,
> ASm
> WA5CAW
> ------------------------------
> *From:* HiDARG-Members <hidarg-members-bounces at hidarg.org> on behalf of
> Randy Tomer <w6ra.randy at gmail.com>
> *Sent:* Wednesday, August 11, 2021 9:56 PM
> *To:* HiDARG Members <hidarg-members at hidarg.org>
> *Subject:* Re: [HiDARG-MEMBERS] Nova
>
> Would 1296 work?
>
> Randy
>
> On Wed, Aug 11, 2021 at 4:38 PM Austin Smith <asmith73 at hotmail.com> wrote:
>
> You will need to listen on 1,420 MHz (21 cm).
>
> 73,
> ASm
> WA5CAW
>
> ------------------------------
> *From:* HiDARG-Members <hidarg-members-bounces at hidarg.org> on behalf of
> Randy Tomer <w6ra.randy at gmail.com>
> *Sent:* Wednesday, August 11, 2021 11:53 AM
> *To:* HiDARG Members <hidarg-members at hidarg.org>
> *Subject:* Re: [HiDARG-MEMBERS] Nova
>
> Can we bounce VHF signals off of it?
>
> 73
> Randy
>
> On Mon, Aug 9, 2021 at 4:02 PM John Britt Baldwin <
> johnbritt.baldwin at gmail.com> wrote:
>
>
> *Space Weather News for Aug. 9, 2021*
> https://spaceweather.com
> <https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=7d5dd834c9&e=716ff4edb0>
> https://www.spaceweatheralerts.com
> <https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=71f1cf0747&e=716ff4edb0>
>
> *RARE NAKED-EYE NOVA:* Yesterday, a star in the constellation Ophiuchus
> exploded. Although it is 5000 light years away, the blast is bright enough
> to see with the unaided eye after sunset. Get the full story with observing
> tips at @ Spaceweather.com
> <https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=a395ebee09&e=716ff4edb0>
> .
>
> *Aurora Alerts:* Sign up for Space Weather Alerts
> <https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=6f8f0e5f8a&e=716ff4edb0> and
> get instant professional notifications of auroral activity.
>
> <https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=eb9982c2f3&e=716ff4edb0>
>
> *Above:* Exploding star RS Oph photographed during the early hours of
> Aug. 9th by Ernesto Guido, Marco Rocchetto & Adriano Valvasori. At the
> time, the nova's visual magnitude was +5 and it has continued to brighten
> since then.
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