Space Forum / Amateur Astronomy / April 2007

I am building a large camera obscura.
Can anyone recommend where or how to obtain a converging lens with a
focal length of several feet (for less than $200)?
I am open to unique suggestion,s even if they result in some

Yesterday the park manager gave me two books he's gotten during the last few
years. One is a nice paperback by Sam Brown a "all about Telescopes" which
has some sections showing some older mounts, don't show a dob, but dob like
mounts which it says can't be used to view the N.S.. ...

Has anyone found a flat black that will not burnish when touched
and handled?
In the midwest.
TIA

Does anyone have any experience of using a Meade 114mm F8 reflecting
telescope? Are they ok and optically sound or are they a turkey?
   regards Steve

Hi all,
This is an 11 mosaic image of the crater Humboldt that lives in the
libration zone close to the eastern limb of the Moon.
http://www.digitalsky.org.uk/lunar/craters/2007-04-21_19-34-54_Red_Humboldt_flat.jpg

Today's Onion Radio News is funny...
 http://www.theonion.com/content/radionews
;-)
.Florian

http://images.spaceref.com/news/2007/March20_304_anaglyph.jpg
The sun like never before.

Had a nice pass of the space station (ISS) tonight from southern Calif. Passed right through the bowl of the Big Dipper. I have a photo in my flickr stream here...
 http://www.flickr.com/photos/fboyd/474152988/
.Florian
Stargazing.com

I got the telrad in the stargazer steve dob and put a 17mm ep in and that's
when I found that tiny screw that holds the EP in is gone, and just when and
where it came out I'm not sure, but with the 17mm ep in the moon was good
and  I got the telrad alined on it. I need to clean ...

I would like to invite you all to explore http://www.megazodiac.com
It is a great resource for online horoscopes and birthdate/
realtionship analysis.

Moon, Aptr 28
0h UTC
coords: 11 20 n 03 54
cent long trmntr: w 37.79d

Thinking about getting either
Sky Tools 3 when it comes out
or
Starry Night Pro

http://www.space.com/php/video/player.php?video_id=250407Sun_outburst
This depicts a Dec 13 '06  solar flaring. Titanic indeed.

This afternoon, about thirty minutes ago, ALL images on s.a.a. Mugshots
completely vanished from my harddrive and the website.  They were there one
minute, then I tried to upload something else to the site and upon
publishing with the new addition included, all images were gone.  ...

Hello Group,
During the last Mars opposition I was able to take some digital photos
of Mars by coupling my Canon Powershot non-SLR camera to the eyepiece
using a bracket designed for this purpose.