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Any natural 400nm lasers in space? by
Radium
Hi:
Have scientists discovered any natural lasers in space that emit light
solely at a wavelength of 400 nanometers ?
Thanks,
Radium
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6 |
446 |
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81 |
4,016 |
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Purchasing a dobsonian mount (on its own) by
Gareth Williams
Hello,
I'd like to convert my equatorial Newt into a Dobsonian and wondered
if there's anywhere I can buy a pre-built Dobsonian mount capable of
supporting a...
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5 |
1,277 |
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September 13th 06 06:40 AM
by Wally
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16 |
1,076 |
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September 12th 06 09:41 PM
by LD
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0 |
641 |
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Fusion vs. Dissociation by
Radium
Steve Willner wrote in
http://groups.google.com/group/sci.astro/msg/74be2c2a910441b2?hl=en& :
SW At high temperatures, molecules tend to dissociate to...
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4 |
468 |
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4 |
935 |
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Partial eclipse + guest by
Pete Lawrence
A lovely partial eclipse rising from the sea from my location. Lots of
photos to wade through but I was particularly interested to check this
one out, taken...
( 1 2)
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16 |
1,056 |
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ETX OTAs by
Peter Lynch
Just a heads-up in case anyone is interested. I noticed on the
telescope house website that they have some clearance ETX105 and
EXT125 OTAs for sale (plus some...
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0 |
387 |
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transmittance @ 1550 nm by
al
Hi - I'm working on a project to measure atmospheric turbulence using
transmissions from a 1550 nm laser and a receiver built around an
off-the-shelf...
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7 |
489 |
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Selecting a telescope by
Peter Clarke
I am looking to buy a telescope but never having had one before, I am
uncertain what size (aperture) telescope to get. After some investigation I
now am...
( 1 2 3)
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20 |
977 |
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Atlantis by
Jonathan Silverlight
Atlantis is _not_ history yet!
A beautiful, beautiful launch.
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3 |
425 |
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No Shuttle today by
Andy G
Shuttle launch has been scrubbed again for today!
Try again tomorrow
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September 8th 06 04:00 PM
by Andy G
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0 |
366 |
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LX90 camera mount question by
Simon
well my remote observatory is nearing completion
and I will post some more pics on my web site soon.
ive fitted two air circulation fans to keep any dampness...
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September 8th 06 06:05 AM
by Simon
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0 |
607 |
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1 |
713 |
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2007 Diary of Phenomena (Enjoy!) by
DONOTREPLY
Hello Boys and Girls....
Just finished the calculations for the
2007 Diary of Phenomena,
enjoy, and let me know if you find...
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0 |
499 |
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Partial Lunar Eclipse From Greece by
Anthony Ayiomamitis
Dear Friends,
Although I had doubts about pursuing this evening's partial eclipse due
to the low altitude of the moon during the eclipse for my geographical...
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September 8th 06 12:52 AM
by Jo
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1 |
470 |
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September 7th 06 02:50 AM
by gds
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2 |
432 |
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lx90 current consumption? by
Simon
ive got an 8 inch lx90, does anyone know
what the maximun current consumption
is through the 12volt socket on the side?
would a 1 amp supply be...
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3 |
731 |
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Toucam for sale by
T.R.
Toucam for sale with software and 11/4 eyepiece adaptor.Offers T.R.
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1 |
566 |