· 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] Forum Archives · Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Astrophotography and Sketching >> Sketching Previous   Index   Next   Flat   frank5817 Post Laureate Reged: 06/13/06 Posts: 4506 Loc: Illinois Jupiter ,the GRS and Io's Shadow       08/20/09 12:54 AM Attachment (41 downloads) Edit   Reply   Quote   Quick Reply:   On this pleasant summer night I was treated to a pleasing view of Jupiter and the Great Red Spot with the shadow of Io crossing the equatorial zone. Io itself was also crossing Jupiter but I was not able to pick it out under the existing seeing conditions. Sketching: 8/19/2009, 3:15 - 4:00 UT Telescope 10" f/5.7: 6mm ortho. (241 x) Sketch made on 9"x 12" sketching paper with 2B, 4B and HB graphite pencils, plastic and gum erasers, blending stumps. Contrast increased +2 and brightness decreased -2 using the scanner Seeing 6/10 Transparency 3/5 Mostly clear, 20°C (68°F) Frank McCabe -------------------- my gallery Post Extras       Entire thread Subject Posted by Posted on Jupiter ,the GRS and Io's Shadow frank5817 08/20/09 12:54 AM Re: Jupiter ,the GRS and Io's Shadow Tom Machtemes   08/21/09 10:34 AM Re: Jupiter ,the GRS and Io's Shadow kraterkid   08/21/09 11:00 AM Re: Jupiter ,the GRS and Io's Shadow frank5817   08/21/09 09:09 PM Re: Jupiter ,the GRS and Io's Shadow Shannon s   08/22/09 12:06 PM Re: Jupiter ,the GRS and Io's Shadow frank5817   08/22/09 09:53 PM Re: Jupiter ,the GRS and Io's Shadow Dr Morbius   08/22/09 11:20 PM Re: Jupiter ,the GRS and Io's Shadow frank5817   08/23/09 08:37 AM Re: Jupiter ,the GRS and Io's Shadow Kris.   08/20/09 03:55 AM Re: Jupiter ,the GRS and Io's Shadow JimPie   08/20/09 04:58 AM Re: Jupiter ,the GRS and Io's Shadow Special Ed   08/20/09 09:04 AM Re: Jupiter ,the GRS and Io's Shadow frank5817   08/20/09 10:01 AM Re: Jupiter ,the GRS and Io's Shadow Sol Robbins   08/20/09 11:12 AM Re: Jupiter ,the GRS and Io's Shadow rolandlinda3   08/20/09 11:19 AM Re: Jupiter ,the GRS and Io's Shadow CarlosEH   08/20/09 02:47 PM Re: Jupiter ,the GRS and Io's Shadow frank5817   08/20/09 06:45 PM Re: Jupiter ,the GRS and Io's Shadow rolandlinda3   08/20/09 11:48 PM Re: Jupiter ,the GRS and Io's Shadow Dee   08/21/09 09:04 AM Re: Jupiter ,the GRS and Io's Shadow Tommy5   08/20/09 07:40 PM Re: Jupiter ,the GRS and Io's Shadow frank5817   08/20/09 08:16 PM Extra information 2 registered and 2 anonymous users are browsing this forum. Moderator:  Charlie Hein, cildarith  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 329 Jump to *Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Celestron SkyScout and Meade mySky   Video and Electronically Assisted Astronomy*Astrophotography and Sketching* -----   Beginning and Intermediate Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   NEO   General Observing   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Other* -----   Science of Astronomy & Space Exploration   AstroWebsites   Space Rocks*Speciality Forums* -----   AstroArt   Astronomy Software & Computers   Stellar Media   Astro Outreach, Clubs and Star Parties   Light Pollution*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements*International Year of Astronomy 2009 - Forums are now closed.* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA CN Forums Home

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