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Contributing to climate change by oriel36
So optical astronomers can have their celestial sphere and Ra/Dec system...
May 12th 06 12:13 PM
by oriel36 Go to last post
0 946
Beginner Star Hopping by AB
Been observing for quite a while with binoculars at most of the popular night sky objects, constellations and planets. Ive been hopping around following some...
May 11th 06 09:54 PM
by PaulM Go to last post
2 608
how much are these telescopes worth? by Hayley
I have two telescopes and I want to sell them and buy one better one. I have a celestron gt114 goto and a tal 2m 6inch with motorised tracking. both in very...
May 11th 06 09:51 PM
by PaulM Go to last post
2 532
Thermal expansion of BK7 cf Pyrex question by Boo
Hi, Can anyone tell me what are the thermal expansion coefficients of BK7 glass and Pyrex for comparative purposes ? Looking at a couple of dobs and trying...
May 11th 06 08:36 PM
by Boo Go to last post
6 736
Best novice result yet by Spurs Dave
Having used a 25mm wide angle lens with a Barlow x2 I had some views of Jupiter and Saturn that were great for me as a beginner but...
May 11th 06 03:58 PM
by Spurs Dave Go to last post
0 664
Coronado PST beginner questions by Philippe Gautier
Hello, I've just got a PST yesterday and immediately took advantadge of the nice weather. I have to admit at first I was a bit disappointed by the small size...
May 11th 06 09:33 AM
by Philippe Gautier Go to last post
1 612
Scopes question by Boo
Hi, Firstly I'd just like to say : "Newbie alert!!" before anyone is _too_ brusque about my almost total ignorance :-) Also my intended use is general...
May 11th 06 08:58 AM
by [email protected] Go to last post
1 500
Has anyone built Chris Heapy's German Equatorial Telescope mount? by Boo
The one I'm referring to is at : http://homepage.ntlworld.com/chrisheapy/eqnotes.htm It's obviously going to be a big job and there is not a complete set...
May 11th 06 12:04 AM
by Boo Go to last post
0 931
Future events by Nightshift
Thinking back to my schooldays in the 1980s, I remember reading astronomy books and looking forward to the very distant (UK) total solar eclipse and expected...
May 10th 06 11:27 PM
by Dr John Stockton Go to last post
6 474
Component B of comet 73P in outburst by Greg Crinklaw
Hi all, Component B of comet 73P has brightened significantly in the last few nights and is now as bright as 5th magnitude. It has been reported as a naked...
May 10th 06 05:29 PM
by Greg Crinklaw Go to last post
0 808
Planetarium software by stephen Jessop
As anyone tried Hello Northern Sky software. It's free and you are able to get other astro databases like OSNO UCAC2 star catalogue and others. I have used...
May 10th 06 03:00 PM
by stephen Jessop Go to last post
0 630
telescope alignment by mark
Hi all, I recently bought a 90mm telescope and I am having trouble finding anything other than the moon! Can anyone provide a link or advice as to how to...
May 10th 06 10:31 AM
by mark Go to last post
2 517
73P page udated by Pete Lawrence
I've just updated my 73P page with a few more images in case anyone's interested... -- Pete http://www.digitalsky.org.uk
May 10th 06 10:18 AM
by Myrton Go to last post
3 565
suggestions for binoculars for 10 year old by LeAnne Parker
A friend's son is asking for a telescope for his birthday. I suggested she look into getting him a good pair of binoculars instead and if the fascination...
May 10th 06 07:21 AM
by LeAnne Parker Go to last post
4 547
BBC NEWS | Science/Nature | Universe 'child of previous one' by Nick
"A joint UK-US team has put forward an alternative theory of cosmic evolution. It proposes that the Universe undergoes cycles of "Big Bangs" and "Big...
May 9th 06 02:59 PM
by Nick Go to last post
0 693
Escape timelines for my interstellar ark by Peter Munn
Leafing through uk.sci.astronomy, I read Abdul Ahad's message of Mon, 17 Apr 2006: The next part is where the possibility of gravity-assisted swing by's of...
May 9th 06 09:06 AM
by The Real Chris Go to last post
3 542
Lunar pictures by Norbert
Hi, Three clear evenings last week :-D The first ones since at least two monthes. What's more, the turbulence was quite low on the first two nights, a little...
(Multi-page thread 1 2)
May 8th 06 10:01 PM
by DrBZU Go to last post
16 946
Warning - Astrologer fiction writer Min is back. by NG
The troll who lies about reality and insults millions of people is back. Suggest kill filing him/it.
May 8th 06 07:41 PM
by NG Go to last post
0 885
Robert Hooke - World of biography by Bits
Looking for Robert Hooke Get more information about Robert Hooke http://www.worldofbiography.com/9190%2DRobert%20Hooke/index1.asp Enthusiasm leads a man...
May 8th 06 09:17 AM
by Bits Go to last post
0 494
Time constant calculation for proton and electron by Jerry
Time constant calculation for Proton and Electron Let us calculate the time constant for the proton and electron: From Doppler Space Time by Gerald Grushow ©...
May 8th 06 06:27 AM
by Craig Oldfield Go to last post
4 836
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