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3D Printed Newtonian Telescope

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Enough!06/05/2020 22:43:47
1719 forum posts
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Posted by Neil Wyatt on 06/05/2020 16:46:32:

No, but I do think we should work from a Sidereal clock...

Talk to Apple. Maybe they'll make you a digital version.

smiley

Steviegtr06/05/2020 22:55:18
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2668 forum posts
352 photos

Internet source.

Indeed, the Moon does look ‘upside down’ in the Southern Hemisphere compared to the northern hemisphere. This is simply a matter of orientation.

Imagine if the Moon orbited in the same plane as the equator. If you were in the northern hemisphere, the Moon would always appear in the southern sky since that is the direction of the equator. The reverse is true in the southern hemisphere: the Moon would appear in the northern sky.

So, these two observers are looking at the same object from opposite directions and naturally that means one sees the object flipped compared to the other. This means that the ‘Man in the Moon’ is upside down in the southern hemisphere, and can actually look more like a rabbit.

Steve.

Michael Gilligan07/05/2020 00:15:50
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23121 forum posts
1360 photos
Posted by Bandersnatch on 06/05/2020 22:43:47:
Posted by Neil Wyatt on 06/05/2020 16:46:32:

No, but I do think we should work from a Sidereal clock...

 

Talk to Apple. Maybe they'll make you a digital version.

 

smiley

.

Search the iOS AppStore for ‘Astrolabe Clock’

... it’s excellent.

MichaelG.

.

Edit: or go here for details

http://www.twonineeightsoftware.com/astrolabe-clock/

Edited By Michael Gilligan on 07/05/2020 00:23:26

Enough!07/05/2020 03:52:44
1719 forum posts
1 photos

That looks pretty good on a quick peek. I'll follow it up tomorrow.

Thanks, Michael !

yes

Enough!07/05/2020 15:11:00
1719 forum posts
1 photos

Interesting analemma of the moon that I've never seen done before on today's APOD

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