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rodelaet
Post Laureate
Reged: 04/28/06
Posts: 3063
Loc: 50°56' N - 4°58' E (Belgium)
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A beautiful object for the binocular observer is the globular cluster M5. It is sometimes called the brightest globular of the northern hemisphere. To find M5, you can start with locating Alpha Serpentis. From there, slew your view 8° to the southwest until 5 Serpentis comes into view. M5 can then be found less than ½° to the northwest of 5 Ser. It is an interesting exercise to compare M5 with M13. From my latitude (51°N), I estimate M13 a little brighter. While some observers report that M5 shows a larger halo, I could not support that statement. I find M5’s halo a little smaller and fainter, and its core sharper, almost star like. Maybe the latitude of the observer and the type of binocular used, play a major role in the appearance of these mighty springtime globulars. One of the challenges for the sketcher is to render these globulars with their correct brightness. I have compared this sketch with the one of M13. Then I noticed that M5 was rendered too bright in relation with the rendering of M13. I‘ve dimmed M5 accordingly. I believe that the sketches now come closer to the ‘live’ observations.
Site : Bischofshofen, Austria
Date : May 3, 2008
Time : around 23.30UT
Binoculars : Bresser 8x56
FOV: 5.9°
Filter : none
Mount : Trico Machine Sky Window
Seeing : 3/5
Transp. : 4/5
Nelm : 6.0
Sketch Orientation : N up, W right.
Digital sketch made with Photo Paint, based on a raw pencil sketch.
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Rony
My Astronomical Sketches
My Binocular Sketches
Callibrate your Monitor with this little strip.
Edited by rodelaet (05/17/08 06:08 PM)
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frank5817
Post Laureate
Reged: 06/13/06
Posts: 4082
Loc: Illinois
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Rony,
This is a beautiful rendering of the sky around my favorite globular of late spring. It really is hard to beat the appearance of this one and you have done a truly remarkable job of capturing all that beauty.   
Frank 
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my gallery
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mark_h37
member
Reged: 04/26/08
Posts: 39
Loc: NPR, FL
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Rony,
Another wonderful sketch, thank you for sharing.
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Mark
Binoculars: 11x70 Oberwerk
Telescopes: 4" f/13 MCT
8" f/10 Orange Tube SCT
Camera: NexImage
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rodelaet
Post Laureate
Reged: 04/28/06
Posts: 3063
Loc: 50°56' N - 4°58' E (Belgium)
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Frank and Mark, thank you both for the kind words on my M5 observation!
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Rony
My Astronomical Sketches
My Binocular Sketches
Callibrate your Monitor with this little strip.
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WadeVC
Carpal Tunnel
Reged: 12/02/05
Posts: 2831
Loc: Lodi, California,
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Who can't resisit a good Globular Cluster, and M5 is a great one indeed. Once again, a very nice sketch of an equally nice GC. Great sketch Rony!
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Orion XTi10 f/4.7
Orion XTi8 f/5.9
Meade NGC 70mm f/10
Orion UltraView 10x50 Wide-Angle Binoculars
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A wise man can see more from the bottom of a well than a fool can from a mountain top.
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atoptics
Pooh-Bah
Reged: 08/10/06
Posts: 1482
Loc: UK
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Les
Optics Picture of the Day
Atmospheric Optics
TiltingSun
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rodelaet
Post Laureate
Reged: 04/28/06
Posts: 3063
Loc: 50°56' N - 4°58' E (Belgium)
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Wade and Les : Thank you!!
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Rony
My Astronomical Sketches
My Binocular Sketches
Callibrate your Monitor with this little strip.
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