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Astrophotography and Sketching >> Sketching

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mike73
super member


Reged: 05/01/12

Loc: UK Plymouth
M24 new
      #5327898 - 07/21/12 08:30 AM Attachment (70 downloads)

M24 / Sagittarius Star Cloud / NGC 6603
Constellation - Sagittarius
Open Cluster

Location - Narkurs
Date - 21/7/12
Time - 0015-0115
Seeing (Antoniadi) - II
SQM - 21.45 (NELM) 6.2

Telescope - 12" f/5 dob
EP - x57 26mm T5 Nagler

Sketch materials - White pastels and white ink pen on black paper.

Session notes.
I found M24 quite tricky to find as its quite a large cluster of stars in a very rich star field, I managed to eventually ID it thanks to the dark nebulosity surrounding the emission nebula IC1284.
Quite hard to sketch as the whole area is literally peppered with small stars the brightest stars were probably the three 'inside' IC1284.

Amazing night to be an astronomer though, NELM at Ursa Minor was 6.2 which meant that our southerly sea views of the Milky way were absolutely amazing!


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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: M24 new [Re: mike73]
      #5327966 - 07/21/12 09:51 AM

Mike,

A beautiful and detailed sketch of M 24. Great many stars to see there over a large region of sky. Beautiful work and the same for your lunar sketches at your website.

Frank


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cpr1
professor emeritus
*****

Reged: 03/24/12

Loc: Louisiana
Re: M24 new [Re: frank5817]
      #5328020 - 07/21/12 10:36 AM

That's an amazing sketch!!! As seen from a dark site.

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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: M24 new [Re: mike73]
      #5328151 - 07/21/12 12:03 PM

Mike,

Very nice sketch of M-24 .

CS,KLU,

,

Tom


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mike73
super member


Reged: 05/01/12

Loc: UK Plymouth
Re: M24 new [Re: niteskystargazer]
      #5328192 - 07/21/12 12:26 PM

Thanks guys.
Was really good to get back under the stars again as summer over here has been terrible.

Had a really enjoyable sweep around the Sagittarius region with some 10x50's aswell, some real gems up there.


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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: M24 new [Re: mike73]
      #5328493 - 07/21/12 04:00 PM

Nice work with M24.

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blb
Post Laureate


Reged: 11/25/05

Loc: Piedmont NC
Re: M24 new [Re: Rutilus]
      #5329151 - 07/22/12 12:35 AM

Mike73,
That is a good sketch of IC1284 and the dark nebulosity surrounding the emission nebula IC1284, but M24 is 120'x90' in size, while the field-of-view size of your 26mm Nagler T5 eyepiece is only 84' in diameter with your 12" f/5 dob. That is why you had a hard time locating the star cloud. It is much larger than your field-of-view. This star cloud is much easier to see with binoculars. It stands out in my 10x50 Nikon binoculars with a five degree field-of-view.


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phily
sage


Reged: 12/18/04

Loc: Kent, UK
Re: M24 new [Re: blb]
      #5330087 - 07/22/12 04:41 PM

Lovely sketch - amazing number of stars.
Phil


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JeanB
Pooh-Bah


Reged: 07/11/11

Loc: Montreal, Canada
Re: M24 new [Re: phily]
      #5330327 - 07/22/12 07:58 PM

Mike,

very impressive work, indeed!

Jean


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mike73
super member


Reged: 05/01/12

Loc: UK Plymouth
Re: M24 new [Re: blb]
      #5331187 - 07/23/12 11:47 AM

Quote:

Mike73,
That is a good sketch of IC1284 and the dark nebulosity surrounding the emission nebula IC1284, but M24 is 120'x90' in size, while the field-of-view size of your 26mm Nagler T5 eyepiece is only 84' in diameter with your 12" f/5 dob. That is why you had a hard time locating the star cloud. It is much larger than your field-of-view. This star cloud is much easier to see with binoculars. It stands out in my 10x50 Nikon binoculars with a five degree field-of-view.



Thankyou Buddy, I appreciate the advice.


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maroubra_boy
Vendor - Gondwana Telescopes


Reged: 09/08/09

Loc: Sydney, Australia
Re: M24 [Re: mike73]
      #5341242 - 07/29/12 07:32 AM

M24 is quite an undertaking. Mind numbingly detailed. Good sketch, Mike.

Alex.


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