· Get a Cloudy Nights T-Shirt · Submit a Review / Article Click here if you are having trouble logging into the forums Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu… uh, User You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Astrophotography and Sketching >> Sketching Previous   Index   Next   Threaded   Pages: 1 maroubra_boy sage Reged: 09/08/09 Loc: Sydney, Australia Eratosthenes, Stadius & spur of Montes Apenninus       #5692173 - 02/21/13 04:28 AM Attachment (43 downloads) Edit   Reply   Quote Quick Reply   Here’s my first lunar sketch since August last year. This particular sketch has been most rewarding. Not only was a seemingly “featureless” lunarscape most detailed, but the subsequent research I did on this area opened my eyes to lunar geography that I was totally ignorant of. A most enlightening last couple of days it’s been. One feature I hadn’t sketched before was a submerged crater. Stadius is a very ancient crater that has been flooded by lava, either that poured over from the surrounding Mare, or had been filled from below. Either way, its floor is level with the surrounding plain and the central peak covered. Erastosthenes makes for a striking ‘full stop’ to the western spur of the Apenninus mountain range. The spur and crater are surrounded by flooded Mare which at first appear to be featureless. Yet these plains a pot marked with tiny craters and the flood plains are laced with subtle colour variation of light and dark, giving an insight to the mix of flows and compositions. A surprising feature for me though was a wavy chain of craters that lies between these two craters and a little further west. When I started to research this chain, I came to find that it is actually a line of secondary impacts created from the ejecta from the impact formation of the crater Copernicus! This line of craters was the last feature that I sketched last, but conditions had deteriorated that prevented detailed examination. This was a very satisfying sketch. From not initially seeing much detail or features turned into a great sketching exercise and a fascinating research project. I hope you enjoy this sketch too. Alex. Object: Craters Erastosthenes, Stadius and western spur of Montes Apenninus Scope: C8, 8” SCT Gear: 5mm Hyperion, 400X Date: 18th February 2013 Location: Sydney, Oz Media: Soft pastel, charcoal and white ink on A5 size black paper. Post Extras:       Andrev Carpal Tunnel Reged: 02/08/11 Loc: Montreal, Quebec, Canada Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: maroubra_boy]       #5692220 - 02/21/13 06:02 AM Edit   Reply   Quote Quick Reply   Hey boy... That is exceptionnal, beautiful, stunning and amazing. Like the real thing. You are very very talented. Andre. Post Extras:       mike73 member Reged: 05/01/12 Loc: UK Plymouth Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: Andrev]       #5692236 - 02/21/13 06:34 AM Edit   Reply   Quote Quick Reply   Its the shadow detail that makes the real standout lunar sketches IMO and this sketch really shows the depth that those shadows create, I'II keep watching and learning Alex! Post Extras:       Jef De Wit Carpal Tunnel Reged: 03/06/09 Loc: Hove, Belgium Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: mike73]       #5692426 - 02/21/13 09:48 AM Edit   Reply   Quote Quick Reply   Beautiful, what a wealth of details. Like the "natural flow" of your sketching technique as well! Post Extras:       PeterDob professor emeritus Reged: 07/29/05 Loc: Carù, Italy Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: Jef De Wit]       #5692462 - 02/21/13 10:15 AM Edit   Reply   Quote Quick Reply   Wow! What a fantastic sketch!!! The way you draw the shadows and illuminated parts looks like the real thing indeed. My sincere admiration! Peter Post Extras:       frank5817 Postmaster Reged: 06/13/06 Loc: Illinois Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: PeterDob]       #5692483 - 02/21/13 10:28 AM Edit   Reply   Quote Quick Reply   Alex, Your first lunar sketches on black paper were fantastic, but this one is above and beyond all of them. Totally impressive. Frank Post Extras:       Andrev Carpal Tunnel Reged: 02/08/11 Loc: Montreal, Quebec, Canada Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: frank5817]       #5692791 - 02/21/13 01:43 PM Edit   Reply   Quote Quick Reply   Alex My wife was in admiration at your sketch this morning. Andre Post Extras:       niteskystargazer Carpal Tunnel Reged: 10/05/09 Loc: 41-43'-28" N 87-42'-39" W Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: maroubra_boy]       #5692873 - 02/21/13 02:33 PM Edit   Reply   Quote Quick Reply   Alex, Very good sketch of Eratosthenes, Stadius & Montes Apenninus . CS,KLU, , Tom Post Extras:       maroubra_boy sage Reged: 09/08/09 Loc: Sydney, Australia Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: niteskystargazer]       #5693551 - 02/21/13 09:01 PM Edit   Reply   Quote Quick Reply   Thank you all for you kind comments. For those who would like to learn more about the Lunar geography, there is a very good site "Observing Along the Moon's Terminator". The link takes you to the page where the secondary impacts of Copernicus are mentioned. The six pages that the site is, is a wealth of information of lunar formations. It not only points out features on the Moon, but makes direct comparisions with Earth geography. Post Extras:       Aperturefever super member Reged: 12/12/10 Loc: Lake Macquarie, Australia Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: maroubra_boy]       #5693595 - 02/21/13 09:27 PM Edit   Reply   Quote Quick Reply   If I keep looking at your moon images Alex I might even be inspired enough to have a go at a crater or two one of these nights. For some reason I find the moon a little intimidating ... maybe I'll have to get a list of 'easy moon targets for beginners'. You've certainly got the technique nailed. Post Extras:       azure1961p Postmaster Reged: 01/17/09 Loc: USA Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: Aperturefever]       #5694636 - 02/22/13 12:41 PM Edit   Reply   Quote Quick Reply   Youve got a nice command of light shadow and form. Wonderfully done. Pete Post Extras:       Ed D Carpal Tunnel Reged: 04/30/10 Loc: Sunny South Florida Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: azure1961p]       #5696189 - 02/23/13 08:51 AM Edit   Reply   Quote Quick Reply   Alex, you are a uniquely talented individual. Ed D Post Extras:       Aquarellia sage Reged: 10/27/12 Loc: Val d'Issole, Provence, France Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: Ed D]       #5697649 - 02/24/13 12:32 AM Edit   Reply   Quote Quick Reply   Lovely sketch Alex, thanks for sharing this and all the associated interesting comments and links Post Extras:       SteelStar member Reged: 11/08/09 Loc: Oklahoma Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: Aquarellia]       #5698072 - 02/24/13 11:04 AM Edit   Reply   Quote Quick Reply   Just incredible representation is all I can say! Post Extras:       JimPie sage Reged: 11/10/07 Loc: S.E.Michigan Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: SteelStar]       #5698350 - 02/24/13 02:16 PM Edit   Reply   Quote Quick Reply   Superb sketch Alex Post Extras:       Uwe Pilz scholastic sledgehammer Reged: 05/16/08 Loc: Leipzig, Germany Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: JimPie]       #5699164 - 02/25/13 12:15 AM Edit   Reply   Quote Quick Reply   Real great, phantastic sketch. Erastothenes is among the hardest to sketch areas because of the wealth of detail. Post Extras:       rolandlinda3 Post Laureate Reged: 01/24/06 Loc: Crozet VA 22932 Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: maroubra_boy]       #5710163 - 03/03/13 09:10 AM Edit   Reply   Quote Quick Reply   Very nice sketch. Post Extras:       JeanB Pooh-Bah Reged: 07/11/11 Loc: Montreal, Canada Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: rolandlinda3]       #5712607 - 03/04/13 02:02 PM Edit   Reply   Quote Quick Reply   That's a pretty detailed work, Alex! Love that blue tone in it. Better that a photo, to my point of view. Jean Post Extras:       Chopin Canis Insanus Reged: 02/03/05 Loc: In the doghouse. Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: JeanB]       #5713274 - 03/04/13 08:15 PM Edit   Reply   Quote Quick Reply   Wowsers...incredible...really incredible! Alex, that crater is photographic! Post Extras:       daniel_h Carpal Tunnel Reged: 03/08/08 Loc: VIC, Australia Re: Eratosthenes, Stadius & spur of Montes Apenninus [Re: Chopin]       #5738010 - 03/17/13 04:35 AM Edit   Reply   Quote Quick Reply   Well done Alex, the mountain range is terrific & is not often sketched Post Extras:       Pages: 1 Previous   Index   Next   Threaded   Extra information 0 registered and 3 anonymous users are browsing this forum. 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