Hello group, I was kinda pondering this question in my mind for a while, but I hope someone learned here can put this to rest for me :) Due to precession of...

OK, my brain hurts :( Given a polar-aligned equatorial mount in the northern hemisphere, how does one view objects located south of one's position? Surely...

Would the following telescope be any good for deep space and planet viewing? http://www.greenwich-observatory.co.uk/acatalog/Other_Makes.html and scroll to...

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...

Hi: Do magnetars emit AM radio waves below the medium-wave range? If so, how do we detect these waves? Can these waves be heard on the AM radio? If so, what...

The 15th Edition of "The Chicago Manual of Style" will be available soon: See:...

Hi, I mentioned this in another thread but thought I'd give it a thread of its own. Can someone help with a formula for astronomical midnight at Greenwich, in...

I have been watching and sometimes posting in this group for over 2 years now, and after watching the sky at night star party episode (excellent piece of tv),...

On Monday, September 9, 2013 4:03:20 AM UTC-7, Alastair McDonald wrote: This is a free event at 6:30 pm - 8:00 pm on Monday 23 September 2013 at the Royal...

Err - Kevin Smith mumbled something like: Subject: This is pretty impressive some programmers been having some fun...... 1) Go to Google.com ...

Looks like the next Hubble servicing mission has been cancelled on saftey grounds, according to NASA Watch: http://www.nasawatch.com Bad day for my chosen...

See http://www.skyhound.com/sh/skyhound.html for updated tips and insights into observing the moons of Mars (follow the "Focus On..." link). Now is the...

Hi, rather than setting up a telescope I was wondering what web sites might offer me a 'live feed' of an object that I wish to look at, in real-time as it...

Hi Mark If your thinking of making a portable observatory out of a tent, then check out this great site. http://www.iolaks.com/softech/astro/astro.htm. Clear...

http://www.theguardian.com/media/2013/sep/24/sky-at-night-faces-bbc-axe?INTCMP=SRCH The Sky at Night faces BBC axe BBC to review future of astronomy show –...

Decent slot BBC4 1930 - 2000 Thu 10th Oct but for some reason my recorder didn't pick it up via series link so if you rely on that, don't! Adding it to be...

Hi all. Is it possible to use a Canon EOS-30D for DeepSky imaging? I currently use a normal SLR, which connects to a standard T-Ring - which then attaches...

Hi I wanted to buy an equatorial mount for casual viewing that will be left permanently outside. I was shocked at the prices (£150 +). I've got access to a...

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What follows is a new convention that I believe is more practical than the conventional approach. When the clock strikes midnight and your birthday...