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<DIV>I think I remember us extending M-27 for a month because of the weather. I captured this one over several nights, mostly in May before the clouds descended. It is a stack of 33 300 second exposures, dark subtracted. Stacked with Deep Sky Stacker and processed in PhotoShop. </DIV>
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<DIV>Jim Gianoulakis<BR>Manager Application Services Mobile<BR>702-876-7093<BR>702-253-7213 fax<BR><A href="mailto:jim.gianoulakis@swgas.com">jim.gianoulakis@swgas.com</A><BR><BR>>>> roger ivester <drivester@hotmail.com> 6/13/2009 7:19 PM >>><BR><FONT face=Arial>All,</FONT><BR><FONT face=Arial></FONT> <BR>I am very excited to get started on M-27, as I too have not noted any stars with my 10-inch. I do however have a note from a previous observation back in the mid 90's using a 14.5-inch reflector, recording a number of faint stars.<BR> <BR>I am most anxious to try with my 4-inch. If John Mallas can see "many" stars within the M-27 nebula using a 4-inch...I should also. <BR> <BR>RE: M-13; June observers challenge.<BR> <BR>I was planning on a new sketch last night using my 10-inch, but due to the extreme humidity, the transparency was terrible. It was clear, but I could only see (constantly) the two brighter bowl stars of the little dipper and polaris. I did not think it worthy to get my scope out. Limiting magnitude would have been four or less...certainly not good enough to attempt the propeller. <BR> <BR>We have had more rain this year to date than any year in the past twenty. We are over three inches about average. It is so wet that farmers are having difficulty getting their hay cut or put into their barns. <BR> <BR>The biggest problem for observing in the south during the late spring and summer months is extremely high humidity. The dew point is normally about 65°, and the skies are hazy all the time. It was almost 90° today with 90% (+) humidity. We have been having violet thunderstorms almost every evening...sometimes receiving an inch or more of rain. <BR> <BR>As I have mentioned before, double stars are not affected by the poor transparency...if you can find them. The seeing and stability is normally very good due to the consistency of the temperatures within the various layers of atmosphere. <BR> <BR>Roger<BR> <BR><EM><FONT face=Arial><STRONG> </STRONG></FONT></EM> <BR></DIV>
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<DIV>From: rayworth1969@hotmail.com<BR>To: lvas@lvlug.org<BR>Date: Sat, 13 Jun 2009 15:09:54 -0500<BR>Subject: Re: [Lvas] M-27 and other<BR><BR>
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All,<BR> <BR>Here is another one where I missed something. I've observed M-27 many many times but concentrated on the dumbbell shape and not too many other details. I remember seeing individual stars within it, but never took note of them. If the night is good and you have decent aperture, you may see flaking at the edges of the nebula along with sevral stars. Maybe even the central star.<BR> <BR>FRed<BR><BR> <BR></DIV>
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<DIV>From: drivester@hotmail.com<BR>To: lvas@lvlug.org<BR>Date: Thu, 11 Jun 2009 16:26:10 +0000<BR>Subject: [Lvas] M-27 and other<BR><BR>
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All,<BR> <BR>I was going through my notes regarding M-27, and realized that I had done some pretty extensive work on this object. It was one of the objects in my first and only publication to date. <BR> <BR>In 1995 and 1996, I went through <EM>The Finest Deep-Sky Objects </EM>by James Mullaney and Wallace McCall, Sky Publishing Corporation, with three printings, 1966, 1972, and 1978. This was my first deep-sky reference book many years ago. <BR> <BR>I wanted to do extensive visual work and include a more precise and modern update of this excellent book. I ended up spending over 250 hours at the eyepiece and another 50 hours to summarize within a period of less than one year.<BR> <BR>Tom English helped me to print this book at GWU and I sold over 100 copies, mostly locally. I have included a picture of my front cover. If you will notice it has a picture of M-27, showing a very round, almost bubble like appearance. I used the orginal Mullaney/McCall cover picture on my publication along with some of my notes, etc. <BR> <BR>I am thinking about revising this book and self publishing again on a broader scale. <BR> <BR>The (+)1 was the Crab Nebula, as Jim Mullaney said that he should have included in their orginal publication in 1966.<BR> <BR>Mullaney and McCall used the famous Allegheny Observatory, University of Pittsburgh, during their original survey, and the writing of the book.<BR> <BR>Both astronomers used a variety of telescopes at this facility, but one of particular interest would be the very, very famous 30-inch refractor. Do a little Google research and find out about the stolen lens, and other interesting reading regarding this scope and observatory. <BR> <BR>Roger Ivester<BR> <BR> <BR> <BR><BR><FONT face=Arial> </FONT><FONT face=Arial><BR><BR> <BR></FONT><EM><FONT face=Arial><STRONG> </STRONG></FONT></EM><BR><BR></DIV>
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