FOR RELEASE: May 26, 2004 PHOTO NO.: STScI-PRC04-18a SATURN SEEN FROM FAR AND NEAR As Saturn grows closer through the eyes of the Cassini spacecraft,...

Well, one of my worst fears has happened.... during collimation of my 8" SCT, I dropped the screwdriver on the corrector and scratched it in two places. Any...

It just occured to me as I was reading the many transit posts. Why was Venus so apparently huge? It seems like the projected image of Venus was much larger...

Hi. Still trying to make a Starrynight photorealistic Horizon image from http://www.wmich-astro.org/home_pics/tt2a.jpg (this image already has the clouds...

I attended the RTMC gathering near Big Bear, California over the weekend. Highlights: 1. Tom Osypowski's (Equatorial Platforms) 24-inch Dobsonian on his...

I haven't seen anyone post a link to images of ISS passing in front of the Sun during the Venus transit. I know if happened four times during the period Venus...

How often would a Martian observor be able to observe an Earth transit? How visible would the Earth be from there, and how well would the Moon show up?

I should have read the earlier posts; as Tom Van Flandern wrote, "the black drop effect is caused by variable refraction from moving air cells in Earth's...

Does the Sun have an atmosphere and if so is there oxygen in it? Seems to me that I recall that devoid of oxygen there can be no fire. The Sun has...

Dear All, I've just posted the new "Image of the Week" at the Bellatrix Observatory's website: http://www.bellatrixobservatory.org/picture.html It is a...

Hi all! As far as I know, Astrostack can only produce images in black&white. Do you know any software that does the same but the result can be saved in...

http://vt-2004.solarphysics.kva.se/ And I especially love this one... http://vt-2004.solarphysics.kva.se/sst_venus_atmosphere.1759.color.jpg Paul.

OK, I have a nice 6inch mirror, from what I can tell it's FL seems to be about 48inch ( f8?), sitting in my trailers storage building is the other 6ft of the...

It only happens a dozen times a millennium, it last occurred over a century ago and no living soul had witnessed it. But if you missed it, on Tuesday June...

Can anyone give a rough guidline as to how much it would cost to have an oiled triplet made which would include an ED glass? I'm wondering about the feasiblity...

Hi. Still trying to make a Starrynight photorealistic Horizon image from http://www.wmich-astro.org/home_pics/tt2a.jpg (this image already has the clouds...

....would the duration of the event have been _noticeably_ faster for those who viewed the entire event from ingress to egress? -- -Stephen Paul

Hi, You can see my shots of THE transit on my web page ;o) Canon EOS 10D + Red 6.3 + C8 + Astrosolar Filter... @micalement Fred...

Well it had to happen: I went up to my set up place and parked across the steet and about 6pm or so started setting up. Now today the Foster Freeze was...

Contrary to the perpetual expectations of the Chicken Littles of the world, Venus passed on a line (allowing a visible transit across the face of the sun)...