The light curve of C/2006 P1 (McNaught) is certainly intriguing. I can't envision it maintaining such a high "n" value. That being said, and I know this is a...
... Based on own my extensive experimentation, made during the early 1980's, I can offer the following formula that generally predicts the daytime visibility...
Consider Venus, mag -4.3. Can you see Venus with the naked eye at 5 deg elongation? Certainly not while the Sun is up! 10deg? - yes, with Sun below horizon.......
... With all respect John, Maybe not zero but less than 5% :). I always use David Levy's sequence that comets are like cats :) unpredict. I do not observe...
Hi all , Update and analysis visual light curve of the comet C/2006M4 SWAN , 183 visuals magnitudes from ICQ and list CometObs . http://webs.ono.com/jpab ...
... deg ... Sun below ... Venus is (to ... equivalent to the ... An interesting point, also I think touched upon in my article, was how much more 18th and 19th...
... You are comparing apples and oranges. An observation like Bond's is an example of an extreme case: it's the answer to the question, "can Venus be seen in...
... in ... elongation ... conjunction, ... today, ... is an ... Venus ... conditions?" ... know of ... extreme ... curmudgeonly... ... Extreme? By no means....
John, I am not that familiar with the specific observations of astronomers in prior centuries, but I may have a theory... ...that it WAS indeed much clearer. ...
... I'm sorry: you didn't understand what I said. But I'm not going to argue about it. -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New...
There was a recent discovery channel show which said sunlight to the ground has gone down 25% since the 1920's all over the earth due to pollution. So it would...
... And that's exactly why I like to observe Comets. My friends in the astronomy clubs I've belonged to go out and look at the same Messier objects and NGC's,...
... That the transparency of an 18th or 19th century sky was rather better than today's is undoubtely true. However, I think that in many instances the...
Hello All, I had a query which I had posted here, but there were no replies on the topic. All I want to know is that by December is there anything expected to...
Hey guys and gals, Glad I found this group. I almost got in trouble on another comet observation page because I'm too chatty. Question for the group: (I...
... Amar, I almost got in trouble for discussing this elsewhere. I hope this translates well...I hope you understand what I'm saying...but I have read some...
I imaged the comet with a MallinCam Hyper on Friday night and last night. With the camera set to the same settings each night, the coma was much larger last...
Hi list, I have created a group for the comet observers at www.frappr.com. Fell free to add your location to the map at http://www.frappr.com/cometobservers If...
subject: jets C/2006 M4 SWAN 2006/10/30 An impressive view of jets in this Rotation gradient image from Oct 30, with jets on ever side: PA=90, PA=18, PA=270...
A small error in the text: the second jet is at PA=180, not 18. Best regards, Ralf ... Sent: Saturday, November 04, 2006 8:42 PM Subject: jets M4 SWAN like a...
Hi all , My last graphic of the calculates the water production rates of comet C/2006 M4 SWAN , based in the study : " The correlation between water production...
Hi, Ireneusz Wlodarczyk, 553 Chorzow ... From: "Stefan Beck" <stefan_beck@...> To: <comets-ml@yahoogroups.com> Sent: Sunday, November 05, 2006 9:03...
Ireneusz Wlodarczyk
astrobit@...
Nov 5, 2006 11:07 am
10900
I was just at the SOHO site looking at the Sun and noticed a comet that appears to crash into the Sun, which is a fairly common occurrence. What I was...
... http://tech.groups.yahoo.com/group/sohohunter/message/1920 Cheers, Maik -- If they give you ruled paper, write the other way. * Juan Ramon Jimenez ...
... brightest Ion-tail streamer ... To be quite honest, I am always troubled to see rotaional gradient or otherwise manipulated images that depict dramatic and...
Hi Ralf and all. At the folowing address http://digilander.libero.it/infosis/homepage/astronomia/c2006m4.htm you can find some images of the comet. The last...
I guess I don't understand a rotaional gradient. I see it used from time to time but don't know how it can show what is not seen in other images. Does any of...
I think that using such filters and false enhancements serve nothing more than to mask our ability to actually view the progress and detail within the...
Good catching the lasco CME page Guy, I was only able to find a slight perturbation in the proton flux graphs at ~1900Z and (like you) no viable evidence of...
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