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<p>It appears that info has been passed around about his
observation(s) of Neptune for many years. I had been following
several links and ended up finding this:<cite></cite></p>
<p>
<a class="moz-txt-link-freetext" href="https://view.officeapps.live.com/op/view.aspx?src=http%3A%2F%2Fwww.universityworldnews.com%2Ffilemgmt_data%2Ffiles%2FUWNGALILEO.doc">https://view.officeapps.live.com/op/view.aspx?src=http%3A%2F%2Fwww.universityworldnews.com%2Ffilemgmt_data%2Ffiles%2FUWNGALILEO.doc</a></p>
<p>That led me to try to simulate it in common planetarium software.
Most have a hard time dealing with the times. Anyway, it was a
nice learning process. It all started with finding an answer to
who discovered Neptune. It appears that the people that
independently worked out its orbit, not the person that actually
found it visually.</p>
<p>Kenneth Drake<br>
</p>
<div class="moz-cite-prefix">On 4/27/2020 11:14 AM, Rev. Pat Madden
- St. Benedict Church, Grambling wrote:<br>
</div>
<blockquote type="cite"
cite="mid:89c844d9d6e9481e91f2efa68f7ce8e5@dioshpt.org">
<pre class="moz-quote-pre" wrap="">Wow! This is amazing! Especially, if you are correct -- and it looks like you are right on! -- it appears that Galileo actually saw Neptune, but mistook it for a "fixed" star. Fixa is the feminine form of the Latin participial adjective, and I think it would be short for stella fixa, "a fixed star."
Pat Madden
________________________________
From: guide-user <a class="moz-txt-link-rfc2396E" href="mailto:guide-user-bounces@projectpluto.com"><guide-user-bounces@projectpluto.com></a> on behalf of Kenneth Drake <a class="moz-txt-link-rfc2396E" href="mailto:drako_kenneth@suddenlink.net"><drako_kenneth@suddenlink.net></a>
Sent: Monday, April 27, 2020 9:47 AM
To: <a class="moz-txt-link-abbreviated" href="mailto:guide-user@projectpluto.com">guide-user@projectpluto.com</a>
Subject: Re: [guide-user] Selective Satellites
Here is what I've been able to simulate using Guide 9.1. Without knowing
the full vagaries of the time zone at Pisa in 1612, I used what I could
knowing what it is today. I had to assume that Galileo would observe
Jupiter when crossing the meridian which I find to be around 4UT and 50
degrees up. To get the simulation to approximate his notes, I had to
believe that his drawing was made in the middle of Nautical twilight -
06:50 Central European Time. Jupiter up 45 degrees. A direct link to my
image is here if it does not come up in the forum.
<a class="moz-txt-link-freetext" href="https://i.imgur.com/PCvFshQ.jpg">https://i.imgur.com/PCvFshQ.jpg</a>
Kenneth Drake Willis, Texas
On 4/25/2020 2:27 PM, Kenneth Drake wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Thanks. That worked great. I was simulating the configuration of the
Jovian moons when Galileo made several observations of Jupiter in 1612
and 1613. I found some of his notes and Guide 9.1 does a really nice
job of displaying the positions marked by Galileo over the month long
period. He saw Neptune also and there is a lot of controversy about
some of his notes. Thanks for a great product.
Kenneth
On 4/25/2020 1:26 PM, Bill Gray wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Hi Kenneth,
The setting you tried would only adjust artificial
earth satellites.
In that same Display/Data Shown dialog, set planet
magnitudes to be 'fixed' (i.e., not varying with zoom
level) and set the limiting magnitude to, say, 10.
After the Galileans, the next brightest satellite of
Jupiter is somewhere around 16. You'll suppress everything
except the Galileans.
-- Bill
On 4/25/20 2:16 PM, Kenneth Drake wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Is there a way to selectively only show the Galilean Moons and none
of the other satellites of the planets? I tried Display/Data
Shown/Satellites but has no effect.
Kenneth Drake Willis, Texas
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
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<pre class="moz-quote-pre" wrap="">
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