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Astrophotography and Sketching >> Sketching

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ErixAdministrator
Toad Lily
*****

Reged: 12/25/04

Loc: Texas, USA
M7 from last night new
      #5383308 - 08/23/12 06:21 PM

link to full report

M7 was fairly low on the horizon just above the sky glow from Austin to the south. Altitude was 28 degrees at the beginning of the sketch then lowered to 19 degrees by the end of the observation. The wide FOV of the 38mm Titan gave wonderful views nonetheless. The faintest stars were difficult to see and I detected them with averted vision. Once they were located, I could see them straight on.

Sketch created with AL template, #2 graphite pencil, super-fine Faber-Castell Pitt artist pen S, 0.5mm mechanical pencil.





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frank5817
Postmaster
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Reged: 06/13/06

Loc: Illinois
Re: M7 from last night new [Re: Erix]
      #5383682 - 08/23/12 10:45 PM

Erika,

Very fine sketch of M-7. Did you debate with yourself about including the globular cluster NGC 6453 just off the edge of your sketch to the west?

Frank


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cpr1
professor emeritus
*****

Reged: 03/24/12

Loc: Louisiana
Re: M7 from last night new [Re: frank5817]
      #5383729 - 08/23/12 11:21 PM

Nice, Must have taken some time to lay down that many stars. Impressive.

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JayinUTModerator
I'm not Sleepy
*****

Reged: 09/19/08

Loc: Utah
Re: M7 from last night new [Re: cpr1]
      #5383778 - 08/24/12 12:00 AM

Tremendous sketch.It's fun to also go after Cn 2-1, M 1-30, Hf 2-1 and NGC 6453. Your sketch reminds me I need to do one that includes both Messier 7 and NGC 6453 in the same field of view.

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JeanB
Pooh-Bah


Reged: 07/11/11

Loc: Montreal, Canada
Re: M7 from last night new [Re: JayinUT]
      #5384168 - 08/24/12 09:33 AM

Still more stars Erika! With all those sketches you posted lately, do you ever sleep???

Wonderful work, Erika!

Jean


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Jef De Wit
Carpal Tunnel


Reged: 03/06/09

Loc: Hove, Belgium
Re: M7 from last night new [Re: JeanB]
      #5384729 - 08/24/12 02:56 PM

Again - like all your recent deepsky sketches here on CN - a marvellous sketch!

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ErixAdministrator
Toad Lily
*****

Reged: 12/25/04

Loc: Texas, USA
Re: M7 from last night new [Re: frank5817]
      #5385315 - 08/24/12 09:36 PM

Quote:

Erika,

Very fine sketch of M-7. Did you debate with yourself about including the globular cluster NGC 6453 just off the edge of your sketch to the west?

Frank




I did see NGC 6453 and kicked myself afterward for not moving M7 over just a bit at the beginning of the sketch so that I could include the glob in that sketch as well.

My first thought was, "I can white out the FOV circle and add the glob." Then I let out a sigh and decided I would include it next time.

thanks for the kind comments everyone.


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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: M7 from last night new [Re: Erix]
      #5386781 - 08/25/12 05:49 PM

Erika,

Good sketch of M-7 .

CS,KLU,

,

Tom


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Tommy5
Carpal Tunnel


Reged: 03/28/04

Loc: Chicagoland
Re: M7 from last night new [Re: niteskystargazer]
      #5386983 - 08/25/12 08:12 PM

Great sketch of a nice open cluster thanks for sharing.

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Michael11
sage


Reged: 06/24/06

Loc: Israel
Re: M7 from last night new [Re: Tommy5]
      #5389917 - 08/27/12 03:00 PM

Really nice and realistic sketch!

I personally think M7 should look a little bit brighter, but then stars would loose their "pinpoint" look.


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Special Ed
Postmaster
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Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: M7 from last night new [Re: Michael11]
      #5392690 - 08/29/12 06:00 AM

Erika,

Nicely done--a very careful observation. The TFOV of that scope/ep combo must be a couple of degrees? M7 is also a great binocular object.

Another name for M7 is Ptolemy's Cluster. He reported seeing it visually in 140 AD and described it as a "nebula following the sting of Scorpius" (he might have combined M6 with M7 as all one nebula).
http://messier.seds.org/m/m007.html


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Ed D
Carpal Tunnel
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Reged: 04/30/10

Loc: Sunny South Florida
Re: M7 from last night new [Re: Special Ed]
      #5393899 - 08/29/12 08:28 PM

Erika, you did a really nice job on a beautiful OC. I admire your patience and sketching skill.

Ed D


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phily
sage


Reged: 12/18/04

Loc: Kent, UK
Re: M7 from last night new [Re: Ed D]
      #5397929 - 09/01/12 11:17 AM

That's nice. How long did it take?
Phil


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ErixAdministrator
Toad Lily
*****

Reged: 12/25/04

Loc: Texas, USA
Re: M7 from last night [Re: phily]
      #5403335 - 09/04/12 03:59 PM

thanks everyone. And thanks for the feedback, Michael.

Phil, I didn't record both the start and finish time on this sketch. Those type of star fields normally take me about an hour and a half - longer if I use my Dob instead of a GEM.


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