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Astrophotography and Sketching >> Sketching

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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
M-11 in Scutum new
      #5277677 - 06/18/12 08:00 PM Attachment (78 downloads)

Messier 11 (NGC 6705)

Although my backyard observing spot shows no hint of the Milky Way on the best nights, if the skies are transparent and steady I have respectable views of many deep sky targets.
On this night I decided to sketch one of them high in the southern sky.
M 11 is a rich open or galactic cluster in the northern sky on a good summer night. Some 500 stars of this cluster's 2900 are brighter than 14th magnitude and it glows at magnitude is 6.3. Many suns here are very hot B class and densely packed from our perspective. Faint members scintillate in the ocular as your eye adjusts to them. This open cluster was discovered by Gottfried Kirch in 1681 and resolved into individual stars in 1733 by William Derham. At 6000 light years it is about half the distance of the nearest globular clusters and just as splendid.

Sketching:

9"x11" white sketching paper; 6B, 4B, HB graphite pencils and a blending stump;
Scanned and inverted
Scope: 10" f/5.7 Dobsonian: 13 mm widefield eyepiece 111x
Date and Time: 6-18-2012, 06:00-06:50 UT
Seeing: Pickering 8/10
Transparency: above average 3.5/5
Location: Constellation: Scutum
R.A. 18h 51.1m
Dec. -06° 16'

Frank McCabe


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Happy Birthday JayinUTModerator
I'm not Sleepy
*****

Reged: 09/19/08

Loc: Utah
Re: M-11 in Scutum new [Re: frank5817]
      #5277827 - 06/18/12 09:39 PM

Frank,

I love your variation in luminosity of your stars and you captured the shape and structure of this open cluster wonderfully. Thank you for sharing Messier 11.


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Ed D
Carpal Tunnel
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Reged: 04/30/10

Loc: Sunny South Florida
Re: M-11 in Scutum new [Re: JayinUT]
      #5278297 - 06/19/12 05:51 AM

Nice sketch! I also like the varying luminosity of the stars, as well as the star trail.

Ed D


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JeanB
Pooh-Bah


Reged: 07/11/11

Loc: Montreal, Canada
Re: M-11 in Scutum new [Re: Ed D]
      #5278886 - 06/19/12 01:26 PM

Very impressive work,Frank! I am not sure I would have the patience to sketch so many stars.

And thanks for the description!

Jean


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phily
sage


Reged: 12/18/04

Loc: Kent, UK
Re: M-11 in Scutum new [Re: JeanB]
      #5278931 - 06/19/12 01:55 PM

That's really good. Lovely variation of tone.
Phil


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niteskystargazer
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Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: M-11 in Scutum new [Re: frank5817]
      #5279113 - 06/19/12 03:50 PM

Frank,

Very good sketch of M-11

CS,KLU,

,

Tom


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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: M-11 in Scutum new [Re: niteskystargazer]
      #5279183 - 06/19/12 04:29 PM

Frank - Nice drawing of the Wild duck cluster.
Also in the region are some nice Carbon stars.


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frank5817
Postmaster
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Reged: 06/13/06

Loc: Illinois
Re: M-11 in Scutum new [Re: Rutilus]
      #5279872 - 06/19/12 11:28 PM

Jay, Ed, Jean, Phily, Tom, Rutilus,

Thanks for the nice words.
--
Rutilus - Yes indeed some real red-orange carbon suns

Frank


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Tommy5
Carpal Tunnel


Reged: 03/28/04

Loc: Chicagoland
Re: M-11 in Scutum new [Re: frank5817]
      #5280772 - 06/20/12 01:50 PM

Great sketch of one of my favorite dso visible from the suburbs, nice catch on the bright star near the middle, i use that one to get best focus on the rest of the stars, i remember i "discovered" m-11 with binoculars one night at a dark sky site in Mich, i saw it and new it had to be one of those messier objects or a giant comet.

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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: M-11 in Scutum [Re: Tommy5]
      #5282543 - 06/21/12 04:35 PM

Tommy5,

Thank you. It is impressive and that is a good idea for tweeking the focus.

Frank


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