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Astrophotography and Sketching >> Sketching

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Roel
professor emeritus


Reged: 04/22/07

Loc: Deventer, The Netherlands
Grimaldi , Hevelius and Cavalerius new
      #5819889 - 04/24/13 02:12 PM Attachment (11 downloads)

It has been more than a year(!) since my last lunar sketch, but yesterday I dragged my 3" f/16 Unitron/Polarex outside for some good old sketching.

The most prominent feature on the surface was a line of large craters formed by Grimaldi , Hevelius and Cavalerius. Although the Moon didn't climb higher than 30 degrees above the Southern horizon, magnifications up to 200x could easily be used. High cirrus clouds made the image a bit hazy (and I had to stop sketching after an hour because of thickening clouds) but the seeing was quite good.

- Polarex 75mm f/16 refractor
- Vixen 7mm Orthoscopic (171x)
- White pastel pencil on black paper
- Twello, The Netherlands, April 23, 20.00 UT - 21.15 UT

http://www.roelblog.nl/2013/04/maankraters-grimaldi-hevelius-en-cavalerius/
(click on image in link for a larger version)


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ErixAdministrator
Toad Lily
*****

Reged: 12/25/04

Loc: Texas, USA
Re: Grimaldi , Hevelius and Cavalerius new [Re: Roel]
      #5819908 - 04/24/13 02:22 PM

Absolutely stunning, Roel! BTW, happy belated birthday.

When I saw this on FB, it immediately brought to mind a similar sketch I did of it. hevelius-lohrmann-cavalerius sketch and observation

The trio along with Grimaldi certainly make a striking view along the terminator.


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kenrenard
Carpal Tunnel


Reged: 12/13/12

Loc: Dunmore, PA
Re: Grimaldi , Hevelius and Cavalerius new [Re: Erix]
      #5820526 - 04/24/13 07:07 PM

Roel,
Very nice work. Hope you share some more of your sketches. Amazing detail and great skill.

Ken


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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: Grimaldi , Hevelius and Cavalerius new [Re: Roel]
      #5821100 - 04/24/13 11:42 PM

Roel,

Very good sketch of Grimaldi, Hevelius & Cavalerius .

CS,KLIU,

,

Tom


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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Grimaldi , Hevelius and Cavalerius new [Re: niteskystargazer]
      #5821114 - 04/24/13 11:54 PM

Roel,

Superb sketch of these three fine craters on the limb.
Great post.

Frank


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Uwe Pilz
scholastic sledgehammer


Reged: 05/16/08

Loc: Leipzig, Germany
Re: Grimaldi , Hevelius and Cavalerius new [Re: frank5817]
      #5821149 - 04/25/13 12:33 AM

Beautiful sketch! I like the different shades of gray in the inner of the craters.

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Roel
professor emeritus


Reged: 04/22/07

Loc: Deventer, The Netherlands
Re: Grimaldi , Hevelius and Cavalerius new [Re: Uwe Pilz]
      #5823600 - 04/26/13 05:05 AM

Thanks!

@Erika: that is a truly amazing sketch you made! I like the "widefield" composition, it give a better sense of scale somehow, I might try this myself next time.


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PeterDob
scholastic sledgehammer


Reged: 07/29/05

Loc: CarĂ¹, Italy
Re: Grimaldi , Hevelius and Cavalerius [Re: Roel]
      #5824626 - 04/26/13 03:07 PM

What a beauty!!! My sincere compliments, Roel! The edge between the night and day sides is difficult to draw but you caught it beautifully.

Peter


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