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Date: 03 Aug 2006 22:10:47
From: Ask The Astronomer
Subject: Astronomy & Space questions? Ask The Astronomer !!
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If you've got burning question about space, or the stars and the
planets and everything in between?
I'm here to help you understand our amazing space !
Have age old questions about everything space and astronomy?Need help
figuring out your astronomy homework ?Well your answers are here . What
better way to find out about our amazing universe than from an
astronomer.
Here I have posted questions I've recieved & The answers to them . Have
fun reading them and learn ! Learning about space & Astronomy is just
as amazing and fun when your looking at the great night sky !
When you learn you earn!
Send your questions to :
asktheastronomer@gmail.com
answers will apear anonymously on..www.asktheastronomer.blogspot.com
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Date: 04 Aug 2006 07:44:39
From: RMOLLISE
Subject: Re: Astronomy & Space questions? Ask The Astronomer !!
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Ask The Astronomer wrote:
> If you've got burning question about space, or the stars and the
> planets and everything in between?
>
Hi:
I'm sorry you haven't gotten much in the way of response. I looked at
your website very briefly, and it looked nice enough (I didn't read
your "answers" in detail vis-a-vis checking for accuracy, but it looks
like a pretty good effort at a website to answer beginners' simple
questions about Outer Space).
I'm not sure you're going to get too much response here since (when you
trim away the trolls and other foolishness) this is a group mainly
devoted to observational astronomy and its practice.
Rather than posting this here again and again, try, maybe, sci.astro or
some of the Astronomy Magazine forums.
Peace,
Rod Mollise
Author of:
Choosing and Using a Schmidt Cassegrain Telescope
and
The Urban Astronomer's Guide
<http://skywatch.brainiac.com/astroland >
The Annual SCT User Imaging Contest is Underway!
<http://www.rothritter.com/contest/2006/ >
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Date: 08 Aug 2006 11:57:00
From: Greg Crinklaw
Subject: Re: Astronomy & Space questions? Ask The Astronomer !!
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RMOLLISE wrote:
> Ask The Astronomer wrote:
>> If you've got burning question about space, or the stars and the
>> planets and everything in between?
>
> Rather than posting this here again and again, try, maybe, sci.astro or
> some of the Astronomy Magazine forums.
I have a question for "Ask The Astronomer."
Who are you?
And what is the benefit of being anonymous in both your emails and your
web blog?
I mean, how can we "consider the source" if we don't know what it is?
How do we know you are even a real astronomer, qualified to answer?
Greg
--
Greg Crinklaw
Astronomical Software Developer
Cloudcroft, New Mexico, USA (33N, 106W, 2700m)
SkyTools: http://www.skyhound.com/cs.html
Observing: http://www.skyhound.com/sh/skyhound.html
Comets: http://www.skyhound.com/sh/comets.html
To reply take out your eye
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Date: 03 Aug 2006 22:56:12
From: canopus56
Subject: Re: Astronomy & Space questions? Ask The Astronomer !!
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Ask The Astronomer wrote:
> If you've got burning question about space, or the stars and the
> planets and everything in between?
<snip >
> asktheastronomer@gmail.com
> answers will apear anonymously on..www.asktheastronomer.blogspot.com
The magnitudes on charts and most catalogues are reduced to Johnson
V-band photometry. Do those reduced magnitudes:
1) Include some form of standardized atmospheric extinction, e.g.
equivalent to a star on the zenith at let's say 1 kilometer?
2) Are "space based," that is they do not include any adjust for
atmosphere?
- Canopus56
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Date: 04 Aug 2006 01:10:35
From: Dan Mckenna
Subject: Re: Astronomy & Space questions? Ask The Astronomer !!
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canopus56 wrote:
> Ask The Astronomer wrote:
>
>>If you've got burning question about space, or the stars and the
>>planets and everything in between?
>
> <snip>
>
>>asktheastronomer@gmail.com
>>answers will apear anonymously on..www.asktheastronomer.blogspot.com
>
>
> The magnitudes on charts and most catalogues are reduced to Johnson
> V-band photometry. Do those reduced magnitudes:
>
> 1) Include some form of standardized atmospheric extinction, e.g.
> equivalent to a star on the zenith at let's say 1 kilometer?
>
> 2) Are "space based," that is they do not include any adjust for
> atmosphere?
>
> - Canopus56
>
The photometry is usually done by measuring an object with its
nearby standard stars as a function of air mass. At zenith you are
viewing through 1 airmass. The data is plotted, magnitude vs air mass,
and by doing so you can obtain the extinction coefficient i.e the
reduction in brightness as a function of air mass.
You then extrapolate to 0 airmass and that is the brightness of the
object in space. This way the data is corrected for the atmosphere.
Note : I am not a real astronomer but I have played one on tv
d.
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