Re: A great view of Mars in August (farewell)


"Gavin Staples" <grs1961@SPAM~TRAPclara.co.uk> schreef in bericht
news:1122228771.25097.0@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> "Alan White" <alan.lesley@xxxxxxxxxxxxx> wrote in message
> news:kbl7e191ik0vlvnle087shp0fpp6jilgs0@xxxxxxxxxx
>> On 24 Jul 2005 05:54:46 -0700, "Tudor Hughes" <tudorhgh@xxxxxxx>
>> wrote:
>>
>>>Nasty, snipey lot here, it seems. There have been quite a number
>>>of posts over the years relating to the visibility of the moon and
>>>planets. It does depend on the weather, after all.
>>
>> Tudor, anyone with any scientific knowledge who takes seriously the
>> idea that Mars will appear the same size as the full moon hasn't got
>> a
>> clue. Gavin is, quote, a Fellow Member of the Royal Meteorological
>> Society, unquote.
>>
>> Apart from his irritating habit of posting off-topic, he should know
>> better than to post that sort of rubbish here.
>>
>> --
>> Alan White
>> Twenty-eight miles NW of Glasgow, overlooking Loch Goil and Loch Long
>> in Argyll, Scotland.
>> Web cam and weather:-
>> http://www.windycroft.gt-britain.co.uk/weather/kabcam.htm
>> Some walks and treks:-
>> http://www.windycroft.gt-britain.co.uk/walks/index.html
>
>
>
> With all due respect, I don't for one moment think that Mars could
> appear the same size as a full moon. I asked for some advice on this,
> as this after all is a technical ng, and in moments someone very
> kindly on this ng passed on the URL to me, which explained what was
> going on. I have since forwarded that URL on to the person who sent me
> that email in the first instance, and she has since replied saying
> thank you. That's all there is to it. I am sorry that anyone was
> annoyed by that:-(
> I'll take this opportunity to say that this is be my last posting
> on this ng, as it appears that my contributions regardless of whatever
> I wish to say, are obviously no longer welcome:-(
>
> Gavin.
>

I read the first posting and found nothing wrong. I remember that Mars'
diameter is given as 25 arcseconds. If one looks through a 75 X
telescope the angle becomes 1875 arcseconds or 31 minutes, the diameter
of the moon as we see it with the naked eye.

Am I mad or am I?

Sytze, (80 since a couple of months ago)







.

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