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  • astrofoto.org
    parts and go But Tags IOTA Mighty Mini Astronomy Read more about Preliminary Testing of Focal Reducers and the Mighty Mini for Occulation Timing Log in to post comments ASI120MM Astronomy Camera Submitted by Roland Roberts on Tue 08 25 2015 18 03 I received this last year at the Rockland Astronomy Club s Summer Star Party as a raffle prize Nice camera designed as a planetary camera with 1280x960 resolution small pixels at 3 75μm compact and light weight and best of all it has an autoguider port Read more about ASI120MM Astronomy Camera Roland Roberts s blog Log in to post comments BSA Astronomy Submitted by Roland Roberts on Tue 08 25 2015 17 07 Summers are always busy and this one was no different But at least I finally got to do a little astronomy First there was the update on writing a curriculum for Ten Mile River to try to get the scouts through the astronomy merit badge Read more about BSA Astronomy Roland Roberts s blog Log in to post comments Gravity Tunnels Falling through the Earth Submitted by Roland Roberts on Mon 06 22 2015 20 16 I think I stumbled across this a while back but I can t remember where The classic freshman physics question is assuming a uniform density for the Earth and a perfect frictionless tunnel cut through the Earth in a straight line how long would it take to travel between any two points on the surface of the Earth The answer is interesting It s the same no matter how far apart the two points are 42 minutes Read more about Gravity Tunnels Falling through the Earth Roland Roberts s blog Log in to post comments Superball Physics Submitted by Roland Roberts on Mon 06 22 2015 20 00 I m trying to catch up on my reading by skimming through back issues of American Journal of Physics when I found this one in the March issue Impact behavior of a superball Am J Phys Read more about Superball Physics Roland Roberts s blog Log in to post comments Testing Astro Video Capture in Linux Submitted by Roland Roberts on Thu 06 04 2015 13 52 I recently picked up an older Thinkpad T400 that had Windows 7 installed After a bit of angst I went ahead with my plan to scrub the disk and install Fedora 21 Why the angst Well I had originally thought of using Windows 7 32 bit to control my older Canon Digital Rebel XT cameras They are no longer supported by Canon and not at all on 64 bit platforms But the T400 came with the 64 bit version of Windows 7 thought they seller did provide a 32 bit install disk Read more about Testing Astro Video Capture in Linux Roland Roberts s blog Log in to post comments Pages 1 2 3 4 5 6 7 8 9 next last Navigation Calendar Gallery Constellations Messier Objects M27 The Dumbell Nebula

    Original URL path: http://www.astrofoto.org/ (2016-02-13)
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  • Welcome to astrofoto.org! | astrofoto.org
    a Orion 120ST 120mm f 5 and older Tasco 60mm f 11 or so not quite sure and an Orion Apex 127mm And since the imaging bug bit I ve acquired a Losmandy GM 8 mount with Gemini GOTO and an older push to Mountain Instruments MI 250 mount Storage is a problem but having enough scopes for kids activities is not Printer friendly version PDF version Navigation Calendar Gallery Constellations Messier Objects M27 The Dumbell Nebula Resources Astronomy Books Buying A Star Buying A Telescope Clubs and Organizations General Interest Imaging and Astrophotography Magazines Mailing Lists and News Groups Science Toy Suppliers Software Weather Information Tips and Tricks Roland s Corner Recent content About Copyright Search form Search User login Username Password Request new password Science Daily Mercury Mercury gets a meteoroid shower from Comet Encke Mercury gets a meteoroid shower from Comet Encke More Science Daily Venus The aliens are silent because they re dead The aliens are silent because they re dead More Science Daily Mars Antarctic fungi survive Martian conditions on the International Space Station Antarctic fungi survive Martian conditions on the International Space Station Rotation speed may be bad news for Red Planet pioneers Rotation speed may be bad news for Red Planet pioneers The aliens are silent because they re dead More Science Daily Jupiter New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts NASA telescopes detect Jupiter like storm on small star NASA telescopes detect Jupiter like storm on small star Simulating the jet streams and anticyclones of Jupiter and Saturn More Science Daily Saturn Cassini completes final close Enceladus flyby Cassini completes final close Enceladus flyby How water escapes from Saturn Magnetic reconnection How water escapes from Saturn Magnetic reconnection Explosive energy in Saturn s magnetic bubble More Science Daily Neptune Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered Mars to lose its largest moon Phobos but gain a ring Mars to lose its largest moon Phobos but gain a ring Simulation of 3 D exotic clouds on an exoplanet More Science Daily Uranus Jupiter bumped giant planet from our solar system This solar system isn t big enough for the both of us Jupiter More Science Daily Pluto Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Science Daily Comets and Asteroids Earth like planets have Earth like interiors Earth like planets have Earth like interiors Artistic space odyssey to broadcast people s messages to the stars Artistic space odyssey to broadcast people s messages to the stars New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts More Science Daily Kuiper Belt Earth like planets have Earth like interiors Earth like

    Original URL path: http://www.astrofoto.org/node/1426 (2016-02-13)
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  • Bright Skies | astrofoto.org
    dead More Science Daily Mars Antarctic fungi survive Martian conditions on the International Space Station Antarctic fungi survive Martian conditions on the International Space Station Rotation speed may be bad news for Red Planet pioneers Rotation speed may be bad news for Red Planet pioneers The aliens are silent because they re dead More Science Daily Jupiter New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts NASA telescopes detect Jupiter like storm on small star NASA telescopes detect Jupiter like storm on small star Simulating the jet streams and anticyclones of Jupiter and Saturn More Science Daily Saturn Cassini completes final close Enceladus flyby Cassini completes final close Enceladus flyby How water escapes from Saturn Magnetic reconnection How water escapes from Saturn Magnetic reconnection Explosive energy in Saturn s magnetic bubble More Science Daily Neptune Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered Mars to lose its largest moon Phobos but gain a ring Mars to lose its largest moon Phobos but gain a ring Simulation of 3 D exotic clouds on an exoplanet More Science Daily Uranus Jupiter bumped giant planet from our solar system This solar system isn t big enough for the both of us Jupiter More Science Daily Pluto Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Science Daily Comets and Asteroids Earth like planets have Earth like interiors Earth like planets have Earth like interiors Artistic space odyssey to broadcast people s messages to the stars Artistic space odyssey

    Original URL path: http://www.astrofoto.org/node/1438 (2016-02-13)
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  • Roland Roberts's blog | astrofoto.org
    thought they seller did provide a 32 bit install disk Read more about Testing Astro Video Capture in Linux Log in to post comments Teach Foundational Language Principles CACM May 2015 pp 30 31 Submitted by Roland Roberts on Thu 06 04 2015 13 25 The authors point to teaching programming languages as opposed to logic as being a seriously weak spot in computer science education While the Hour of Code has a lot of appeal and can introduce people to computing they point out that new computing languages are continuously being developed to try to solve new problems They make numerous examples and point to Dijkstra s classic Go To Statement Considered Harmful as examples of how understanding a problem has lead to new languages and new language structures Read more about Teach Foundational Language Principles CACM May 2015 pp 30 31 Log in to post comments Education What Are We Doing When We Teach Computing in Schools CACM May 2015 pp24 26 Submitted by Roland Roberts on Thu 06 04 2015 13 21 This article initally caught my attention with it s graphic and caption SCIENCE Gravity makes haveier things fall faster The author goes on to recount her experience with just such a poster in a local elementary science fair and her lack of success in having it taken down The point we have started pushing instruction of computing and programming into schools where there are non specialist teachers who are expected to understand the material well enough that the students come away with correct knowledge Read more about Education What Are We Doing When We Teach Computing in Schools CACM May 2015 pp24 26 Log in to post comments Really installing Oracle Java on Fedora Submitted by Roland Roberts on Tue 05 26 2015 20 16 This has nothing to do with astronomy at all but I can t find a good place to save this information So If you re trying to install Oracle s Java on Fedora after you ve done so the following will set up all of the alternatives links you want need Read more about Really installing Oracle Java on Fedora Log in to post comments Pages 1 2 3 4 5 6 7 8 9 next last Navigation Calendar Gallery Constellations Messier Objects M27 The Dumbell Nebula Resources Astronomy Books Buying A Star Buying A Telescope Clubs and Organizations General Interest Imaging and Astrophotography Magazines Mailing Lists and News Groups Science Toy Suppliers Software Weather Information Tips and Tricks Roland s Corner Recent content About Copyright Search form Search User login Username Password Request new password Science Daily Mercury Mercury gets a meteoroid shower from Comet Encke Mercury gets a meteoroid shower from Comet Encke More Science Daily Venus The aliens are silent because they re dead The aliens are silent because they re dead More Science Daily Mars Antarctic fungi survive Martian conditions on the International Space Station Antarctic fungi survive Martian conditions on the International Space Station Rotation

    Original URL path: http://www.astrofoto.org/blog/5 (2016-02-13)
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  • User login | astrofoto.org
    Simulating the jet streams and anticyclones of Jupiter and Saturn More Science Daily Saturn Cassini completes final close Enceladus flyby Cassini completes final close Enceladus flyby How water escapes from Saturn Magnetic reconnection How water escapes from Saturn Magnetic reconnection Explosive energy in Saturn s magnetic bubble More Science Daily Neptune Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered Mars to lose its largest moon Phobos but gain a ring Mars to lose its largest moon Phobos but gain a ring Simulation of 3 D exotic clouds on an exoplanet More Science Daily Uranus Jupiter bumped giant planet from our solar system This solar system isn t big enough for the both of us Jupiter More Science Daily Pluto Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Science Daily Comets and Asteroids Earth like planets have Earth like interiors Earth like planets have Earth like interiors Artistic space odyssey to broadcast people s messages to the stars Artistic space odyssey to broadcast people s messages to the stars New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts More Science Daily Kuiper Belt Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Astronomy News NASA s Great Observatories Weigh Massive Young Galaxy Cluster Galvanized by Genuine Research Experiences NITARP Program Alumni Flock to International Astronomy Conference Discovering Our Universe from the Classroom Teacher Program Brings NASA Research to Schools

    Original URL path: http://www.astrofoto.org/user/login?destination=node/1438%23comment-form (2016-02-13)
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  • Painful Drupal 7 Migration | astrofoto.org
    the content but the structure But no it doesn t I actually set up a test site and migrated into that rebuilt all the menus book hierarchies blocks everything Then I tried to do a Drupal 7 to Drupal 7 migration It didn t do any better Blech Roland Roberts s blog Log in to post comments Printer friendly version PDF version Navigation Calendar Gallery Constellations Messier Objects M27 The Dumbell Nebula Resources Astronomy Books Buying A Star Buying A Telescope Clubs and Organizations General Interest Imaging and Astrophotography Magazines Mailing Lists and News Groups Science Toy Suppliers Software Weather Information Tips and Tricks Roland s Corner Recent content About Copyright Search form Search User login Username Password Request new password Science Daily Mercury Mercury gets a meteoroid shower from Comet Encke Mercury gets a meteoroid shower from Comet Encke More Science Daily Venus The aliens are silent because they re dead The aliens are silent because they re dead More Science Daily Mars Antarctic fungi survive Martian conditions on the International Space Station Antarctic fungi survive Martian conditions on the International Space Station Rotation speed may be bad news for Red Planet pioneers Rotation speed may be bad news for Red Planet pioneers The aliens are silent because they re dead More Science Daily Jupiter New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts NASA telescopes detect Jupiter like storm on small star NASA telescopes detect Jupiter like storm on small star Simulating the jet streams and anticyclones of Jupiter and Saturn More Science Daily Saturn Cassini completes final close Enceladus flyby Cassini completes final close Enceladus flyby How water escapes from Saturn Magnetic reconnection How water escapes from Saturn Magnetic reconnection Explosive energy in Saturn s magnetic bubble More Science Daily Neptune Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered Mars to lose its largest moon Phobos but gain a ring Mars to lose its largest moon Phobos but gain a ring Simulation of 3 D exotic clouds on an exoplanet More Science Daily Uranus Jupiter bumped giant planet from our solar system This solar system isn t big enough for the both of us Jupiter More Science Daily Pluto Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Science Daily Comets and Asteroids Earth like planets have Earth like interiors Earth like planets have Earth like interiors Artistic space odyssey to broadcast people s messages to the stars Artistic space odyssey to broadcast people s messages to the stars New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts More Science Daily Kuiper Belt Earth like planets have Earth like interiors Earth like planets have Earth like interiors

    Original URL path: http://www.astrofoto.org/node/1436 (2016-02-13)
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  • User login | astrofoto.org
    Simulating the jet streams and anticyclones of Jupiter and Saturn More Science Daily Saturn Cassini completes final close Enceladus flyby Cassini completes final close Enceladus flyby How water escapes from Saturn Magnetic reconnection How water escapes from Saturn Magnetic reconnection Explosive energy in Saturn s magnetic bubble More Science Daily Neptune Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered Mars to lose its largest moon Phobos but gain a ring Mars to lose its largest moon Phobos but gain a ring Simulation of 3 D exotic clouds on an exoplanet More Science Daily Uranus Jupiter bumped giant planet from our solar system This solar system isn t big enough for the both of us Jupiter More Science Daily Pluto Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Science Daily Comets and Asteroids Earth like planets have Earth like interiors Earth like planets have Earth like interiors Artistic space odyssey to broadcast people s messages to the stars Artistic space odyssey to broadcast people s messages to the stars New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts More Science Daily Kuiper Belt Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Astronomy News NASA s Great Observatories Weigh Massive Young Galaxy Cluster Galvanized by Genuine Research Experiences NITARP Program Alumni Flock to International Astronomy Conference Discovering Our Universe from the Classroom Teacher Program Brings NASA Research to Schools

    Original URL path: http://www.astrofoto.org/user/login?destination=node/1436%23comment-form (2016-02-13)
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  • M27: The Dumbell Nebula, Take 2 | astrofoto.org
    than my earlier attempt from several years ago which you can see here M27 The Dumbell Nebula Messier Objects up M27 The Dumbell Nebula Printer friendly version Log in to post comments PDF version Navigation Calendar Gallery Constellations Messier Objects M27 The Dumbell Nebula Resources Astronomy Books Buying A Star Buying A Telescope Clubs and Organizations General Interest Imaging and Astrophotography Magazines Mailing Lists and News Groups Science Toy Suppliers Software Weather Information Tips and Tricks Roland s Corner Recent content About Copyright Search form Search User login Username Password Request new password Science Daily Mercury Mercury gets a meteoroid shower from Comet Encke Mercury gets a meteoroid shower from Comet Encke More Science Daily Venus The aliens are silent because they re dead The aliens are silent because they re dead More Science Daily Mars Antarctic fungi survive Martian conditions on the International Space Station Antarctic fungi survive Martian conditions on the International Space Station Rotation speed may be bad news for Red Planet pioneers Rotation speed may be bad news for Red Planet pioneers The aliens are silent because they re dead More Science Daily Jupiter New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts NASA telescopes detect Jupiter like storm on small star NASA telescopes detect Jupiter like storm on small star Simulating the jet streams and anticyclones of Jupiter and Saturn More Science Daily Saturn Cassini completes final close Enceladus flyby Cassini completes final close Enceladus flyby How water escapes from Saturn Magnetic reconnection How water escapes from Saturn Magnetic reconnection Explosive energy in Saturn s magnetic bubble More Science Daily Neptune Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered Mars to lose its largest moon Phobos but gain a ring Mars to lose its largest moon Phobos but gain a ring Simulation of 3 D exotic clouds on an exoplanet More Science Daily Uranus Jupiter bumped giant planet from our solar system This solar system isn t big enough for the both of us Jupiter More Science Daily Pluto Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Science Daily Comets and Asteroids Earth like planets have Earth like interiors Earth like planets have Earth like interiors Artistic space odyssey to broadcast people s messages to the stars Artistic space odyssey to broadcast people s messages to the stars New study challenges Jupiter s role as planetary shield protecting Earth from comet impacts More Science Daily Kuiper Belt Earth like planets have Earth like interiors Earth like planets have Earth like interiors Evidence of a real ninth planet discovered Evidence of a real ninth planet discovered New Horizons returns first of the best images of Pluto More Astronomy News NASA

    Original URL path: http://www.astrofoto.org/node/1435 (2016-02-13)
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