Search found 5536 matches

by Airconvent
Tue Oct 21, 2003 1:23 am
Forum: Buy and Sell
Topic: Astronomy + Other Books for Sale
Replies: 5
Views: 4122

Astronomy + Other Books for Sale

1. Turn Left at Orion by Consolmano & Davis. Highly recommended book on how to look for 100 cools objects using a small telescope. Mint condition. $30. 2. The Art of Star Trek : Hardcover, full colour, 298 pages. Includes pics and artwork of many startrek shows/movies. Mint condition. $29. 3. St...
by Airconvent
Mon Oct 20, 2003 2:29 am
Forum: DIY Astronomy
Topic: 16" ATM Project Update 1
Replies: 41
Views: 26036

We hope to finish the scope by the next new moon. Only wish the skies would co-operate for once. Zong, thanks for the interest but we are assembling the scope in my spare room which will be rather cramped with the 3 of us and all the scope parts. Will be posting updates of our work progress here in...
by Airconvent
Mon Oct 20, 2003 2:24 am
Forum: Astronomy Events & Observation Sessions
Topic: Renting out Astro Equipment
Replies: 3
Views: 3680

Renting out Astro Equipment

Some months ago, there was talk of buying a few Meade gotos and renting them out to people. Seems like Jim has put it into practice. I wonder what scope he is offering and if the prices are attractive.. Are any of the other vendor considering this as well.....mmmi...imaging renting out a TMB apo or ...
by Airconvent
Mon Oct 20, 2003 2:17 am
Forum: Equipment Discussions
Topic: Sticky layer on corrector plate
Replies: 16
Views: 9321

I try not to touch the corrector plate but if I had to do some cleaning, a quick way is either a lens pen or a 3M Optical Len cleaning cloth.
Its a whole lot easier than the "authorised" method of using diluted isopropyl alcohol....but only for light smudges...

rich
by Airconvent
Mon Oct 20, 2003 2:09 am
Forum: Astronomy Events & Observation Sessions
Topic: Observing session at Bedok Reservoir (oct 21)
Replies: 21
Views: 9892

Re: Observing session at Bedok Reservoir (oct 21)

Hi all I will be having an overnight observing session this coming Tuesday (Oct 21) Location: Bedok reservoir (opp. Blk 740 & 742A, the same location as Mars Watch 2) Time: 9pm till next morning Events: Orionids in the pre-dawn hours and of course DSO's if skies are good Sorry for a bit of last...
by Airconvent
Mon Oct 20, 2003 2:00 am
Forum: Equipment Discussions
Topic: Binocular for a start
Replies: 22
Views: 12554

:oops: Hi Jim, I just went to your web site and saw the bino. Wow, it is quite expensive! to own one good one. Able to give lower price or not? cheers, eric goh hi eric, what's your budget? for around $90, you can get a 10x50 Minolta Classic II bino which is pretty decent for the price. If you want...
by Airconvent
Mon Oct 20, 2003 1:54 am
Forum: Astronomy Events & Observation Sessions
Topic: Dempsey session tonight on 181003
Replies: 7
Views: 5325

Oh! just to add, there's a Wine Company at Dempsey now, so for those who appreciate wine like VinSnr, you can check out the drinking hole after a night's session? Charlie yeah...I noticed that a month or 2 back. most impt is not the wine...its where the toilet is! now we have a toilet available jus...
by Airconvent
Mon Oct 20, 2003 1:49 am
Forum: Coffee corner
Topic: Matter and Anti Matter
Replies: 15
Views: 12371

Most people still dream that anti-matter is a great source of power. The star ships in Star Trek are powered by "clean" anti-matter. The fact is anti-matter is extremely unstable (in our universe anyway) and cannot survive for long. Scientist have surmissed that when the Universe was first...
by Airconvent
Sun Oct 19, 2003 2:42 am
Forum: Coffee corner
Topic: how to manage your time with astronomy and normal living
Replies: 4
Views: 2859

Re: how to manage your time with astronomy and normal living

Anyone care to suggest how you guys manage the late nite activities of astronomy and still have the stamina to go around your day time activity. Are you a super human? If not, tell us how you did it (for example, you drink lots of herbs, doing yoga, meditation, some good tips and tricks of catching...
by Airconvent
Sun Oct 19, 2003 2:23 am
Forum: Astrophotography
Topic: What is a CCD?
Replies: 8
Views: 6152

yes but its a whole load easier.
Find a star you know, align to it once and if all goes well, the alignment will not be mentioned again for the duration of the session...

rich