Full disclosure: that has pretty high probability of being “Lew’s moon.” And even if that particular focusing job wasn’t his, the set-up, choice of exposure time, snap, upload and/or download were all his. Speaking of snap — we got one with a 16 second exposure in which Jupiter and Regulus move a remarkable amount. (I guess, since I’m remarking on it, that was a tautology.)
Jen
Wow. I’m very impressed. Tell Lew I say nice job. And thanks for the new word, Jen. I’m going to work it into my conversation somehow today. I’m sure it wont be difficult. I tend to lean toward tautology anyway.
jennifer
I’ve been away, and feel quite remiss in not thanking all for your contributions — pronounciation, compliments, having Saturn and Regulus renamed as mine, etc. Although, that last one worries me — I wouldn’t want anyone to think I had mistaken a planet for a star.
rakkity
There’s lots of great precedent for that, Jennifer. In one of his notebooks, Galileo noted the position of a “star” a few degrees from Jupiter — much much later it was found that the star was actually Uranus!
jennifer
I did not know that. I just read that Pluto was seen and recorded over a hundred years before it was discovered (as a planet) too.
Hey, can one see Ceres without visual aids?
michael
From The Wiki:
Ceres’ apparent magnitude ranges from 6.7 to 9.3, hence at its brightest is still too dim to be seen with the naked eye.
rakkity
There are people who claim to be able to see 7th magnitude stars. I can’t, and not from dint of trying. 6.0 is my limit, and that’s in the darkest sky I’ve ever been in — near Datil, NM. My brother-in-law can see some faint moons of Saturn in binocs that I can’t see at all, and a semi-pro astronomer friend can see faint comets with ease that are invisible to me. I believe this latter guy could see Ceres if he tried.
jennifer
Full disclosure: that has pretty high probability of being “Lew’s moon.” And even if that particular focusing job wasn’t his, the set-up, choice of exposure time, snap, upload and/or download were all his. Speaking of snap — we got one with a 16 second exposure in which Jupiter and Regulus move a remarkable amount. (I guess, since I’m remarking on it, that was a tautology.)
Jen
Wow. I’m very impressed. Tell Lew I say nice job. And thanks for the new word, Jen. I’m going to work it into my conversation somehow today. I’m sure it wont be difficult. I tend to lean toward tautology anyway.
jennifer
I’ve been away, and feel quite remiss in not thanking all for your contributions — pronounciation, compliments, having Saturn and Regulus renamed as mine, etc. Although, that last one worries me — I wouldn’t want anyone to think I had mistaken a planet for a star.
rakkity
There’s lots of great precedent for that, Jennifer. In one of his notebooks, Galileo noted the position of a “star” a few degrees from Jupiter — much much later it was found that the star was actually Uranus!
jennifer
I did not know that. I just read that Pluto was seen and recorded over a hundred years before it was discovered (as a planet) too.
Hey, can one see Ceres without visual aids?
michael
From The Wiki:
Ceres’ apparent magnitude ranges from 6.7 to 9.3, hence at its brightest is still too dim to be seen with the naked eye.
rakkity
There are people who claim to be able to see 7th magnitude stars. I can’t, and not from dint of trying. 6.0 is my limit, and that’s in the darkest sky I’ve ever been in — near Datil, NM. My brother-in-law can see some faint moons of Saturn in binocs that I can’t see at all, and a semi-pro astronomer friend can see faint comets with ease that are invisible to me. I believe this latter guy could see Ceres if he tried.