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M7 from last night

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#1 Erix

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Posted 23 August 2012 - 05:21 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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#2 frank5817

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Posted 23 August 2012 - 09:45 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 :)

#3 cpr1

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Posted 23 August 2012 - 10:21 PM

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

#4 JayinUT

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Posted 23 August 2012 - 11:00 PM

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.

#5 JeanB

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Posted 24 August 2012 - 08:33 AM

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

Wonderful work, Erika!

Jean

#6 Jef De Wit

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Posted 24 August 2012 - 01:56 PM

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

#7 Erix

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Posted 24 August 2012 - 08:36 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 :)


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. :foreheadslap: :lol:

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.

#8 niteskystargazer

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Posted 25 August 2012 - 04:49 PM

Erika,

Good sketch of M-7 :).

CS,KLU,

:thanx:,

Tom

#9 Tommy5

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Posted 25 August 2012 - 07:12 PM

Great sketch of a nice open cluster thanks for sharing.

#10 Michael11

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Posted 27 August 2012 - 02:00 PM

Really nice and realistic sketch!

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

#11 Special Ed

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Posted 29 August 2012 - 05:00 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

#12 Ed D

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Posted 29 August 2012 - 07:28 PM

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

Ed D

#13 phily

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Posted 01 September 2012 - 10:17 AM

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

#14 Erix

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Posted 04 September 2012 - 02:59 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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