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0 |
1,762 |
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6 |
2,193 |
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Astronomy wizard required for calculation by
Richard[_6_]
Hi. I've got a flat lawn (horizontal) and at the end of the lawn a
perpendicular wall. In front of the lawn and wall is my house and during
winter the sun...
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8 |
2,776 |
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J2000.0 Equinox by
John Rivers
hi
do I understand J2000.0 equatorial coordinate system correctly?
- reference plane is equatorial plane of earth at 1 Jan 2000 12:00 TT
- vernal point is...
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0 |
1,637 |
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March 23rd 11 09:59 AM
by gogo
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3 |
2,379 |
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March 17th 11 09:16 AM
by N_Cook
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0 |
1,934 |
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Sky Charting by
Dr J R Stockton[_103_]
I'm working on a quasi-SkyChart program.
At first, it showed a just a projection such as the Times would publish
for its North Pole readers; Polaris in the...
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1 |
1,932 |
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Black holes evaporating? by
N_Cook
Brian Cox on his prog last night twice mentioned this, as near enough the
last throes of the dying universe - how does a black hole "evaporate"?
ad:
Talks in...
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March 7th 11 11:16 PM
by OG
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5 |
2,030 |
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M65, M66 & NGC3628 with the Tidal Tail by
Danilo Pivato
Hi all,
Here is the Leo Triplett with the ST-10XME in Nikkor
300mm f/2,8 @ f/5,6 40 X 30o seconds (tot.: 3,3h) at
my website.
In the image there are 5 minor...
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0 |
1,803 |
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So war es damals - Fakten by
Daniel Mandic[_2_]
Roland Rieß wrote:
Wer bräuchte Hirten, gäbe es keine Wölfe? (Wer hat gleich noch mal
den Teufel, und wozu, erfunden?)
Mich würde interessieren, auf...
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0 |
1,839 |
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February 26th 11 01:54 PM
by Jim
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1 |
1,553 |
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Solar System Data by
Dr J R Stockton[_102_]
I need the Right Ascension and Declination of the "points" where the
perpendiculars to the orbits of the Nine Planets meet the Celestial
Sphere.
Those would...
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0 |
1,604 |
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Niburu (don't start shooting just yet) by
Mark Murphy
Hi all,
I wonder if someone might help me settle something?
I've heard a lot of theories about a brown dwarf star in our solar
system or there about's.
Some...
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1 |
1,774 |
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Kepler & ISS by
Dr J R Stockton[_101_]
Weather permitting, there's a chance of seeing Johannes Kepler chasing
the ISS on Wednesday...
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0 |
1,988 |
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Orion's Belt & Sword: mosaic in H-alpha by
Danilo Pivato
Hi all,
a photomosaic consisting in 17 shots that show the central
part of the constellation of Orion.
The mosaic measures approximately: 9°x8° (6464x5860...
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4 |
2,355 |
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10 |
3,874 |
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Diffraction Limiting a Mk I Eyeball by
Martin Brown
I was doing a Christmas lecture earlier in the the week on "Light and
Colour". I had an unexpectedly strong positive audience reaction from a
very simple and...
( 1 2)
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11 |
4,218 |
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Sh2-129: Flying Bat Nebula in H-alpha by
Danilo Pivato
Hi all,
a new image of the constellation of Cepheus made with a
telephoto Nikon 300mm/2,8 @ f/4 and ST-10XME.
More information is available on the...
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0 |
1,917 |
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Heads Up - Mondays by
[email protected]
Join Professor Brian Cox and Dara O'Briain to wonder at the night sky,
with extraordinary images beamed in from telescopes across the globe.
Learn how to...
|
January 5th 11 10:02 AM
by N_Cook
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2 |
1,835 |
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solar eclipse live by
Tom Former
http://www.20min.ch/wissen/news/story/Sonnenfinsternis-live-auf-20-Minuten-Online-26344517
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0 |
2,007 |