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  1. This is a thread for astro-photographers to talk about astro-imaging and share their photographs. Here are some of my best astronomy photos as of September 18th, 2016: Mars only a few weeks after opposition. M106 and a few other galaxies. Jupiter and Io in Feb. 2015. A star field in the constellation Cygnus, taken in August 2016. My best image of Saturn yet, with the Cassini Division! A fantastic view of craters near Mare Fecunditatis.
  2. http://www.space.com/34593-james-webb-space-telescope-complete-2018-launch.html The largest space telescope ever built is... well, built. It's done. Everything is in place. There's going to be some final assembly work on the spacecraft later-on, but the telescope itself is complete and working! It's now going to be put through rigorous testing (they want to avoid the problems they had with Hubble) before being prepared for its 2018 launch abord an Ariane 5 ECA. It was twenty years in the making. Whole new technologies had to be invented just to build it. It will be the most expensive
  3. Asteroid 2019 CB2 will pass the Earth at 1.04 million kilometers at 1.20am GMT (UTC) on Sunday, February 10. Image captured from the interactive JPL Solar System Dynamics Small Body Database Browser. Asteroid 2019 CB2, classed as on “Earth Close Approach”, will breach speeds of nearly 29,125mph or 13.02km per second as it passes our planet and the flyby comes just five days after NASA’s Jet Propulsion Laboratory first observed the rock on February 2. As of February 5, 2019, NASA has discovered a total of 19,585 Near-Earth Asteroids (NEAs). More than 8,500 of these objects meas
  4. On June 16th 2018 the Asteroid Terrestrial-impact Last Alert System telescope in Hawaii detected a flash of light at least 10 times brighter than a typical supernova. The event was dubbed AT2018cow and has been puzzling astronomers for the past 6 months. Image Credit: https://www.northwestern.edu/
  5. https://imgur.com/a/rmNql https://imgur.com/gallery/xdyAP I long ago finished making my first telescope mirror, a 6" f/8, which you can read about from pages 1-5. It will not be used in a telescope as it has a number of chips and a fracture that reduce its usefulness anyway. I worked on it from May to July 2017, with a gap due to technical difficulties and a trip to Alaska. The mirror was made with a 1969 Edmund Scientific kit. It was intended to be f/5 but I ran out of grit and couldn't afford more at the time. I have also finished a complete 6" f/
  6. A powerful new telescope in the West Australian outback, CSIRO's Australian Square Kilometre Array Pathfinder (ASKAP) telescope, has detected 20 Fast Radio Bursts in the last 12 months. Previously only 34 have been spotted before, beginning with the Lorimer Burst in 2007 by astronomers trawling through old data from the Parkes Telescope.
  7. Today, I got a telescope that my neighbor was giving away for $5. It is a TwinStar AstroMark 80mm 16-40x Portable Refractor Telescope, which is normally valued at ~$40. I set it up tonight and looked at Venus, but the image had lots of water spots on it. I took the included lens wipe and wiped off the front lens, but the image did not improve very much. The viewing aperture and a few of the other lenses looked kind of smudgy, but I did not want to try wiping them without knowing more about it. Does anyone have any recommendations for cleaning the lenses of a telescope like this? Also, co
  8. Vaguely space related link below: http://zitscomics.com/comics/march-25-2018/
  9. I recall someone once in an old KSP-TV stream had once made a sextant to use with looking out a capsule window and get a reading on the stars in space. Has anyone else ever tried this? By extension, is it possible to navigate in KSP using the stars in stock KSP? Like writing up a star table, for example, to tell you where you should be if you can see certain stars at certain angles. Also, outside of just extracting the sky-box outright, has anyone made a star chart for KSP? I'm rather curious to know.
  10. I heard that orbit around the Moor are very unstable with exception of some orbital inclinations. I wonder why is this?
  11. As the title suggests, I would like to see some ideas of your perspective of extraterrestrial life, from floating cloud like creatures to little fish. @ProtoJeb21 @Spaceception @NickRoss120 @cratercracker @Adstriduum
  12. IRVEES Imaging and Radial Velocity Exoplanet/Exomoon Search WHAT IS IRVEES? IRVEES is an exoplanet hunting club that uses different imaging techniques and the radial velocity method to search for exoplanets and detect the signs of exomoons around imaged planets. HOW DOES IRVEES FIND PLANETS? IRVEES will use the Transit, Direct Imaging, and Radial Velocity methods to find planets. The Transit Method is the tactic mainly and currently being used. Here's a run-down of how these methods will work in the program: TRANSITS: A patch of sky, selected by one of the leader
  13. Welcome everyone! This thread is a continuation of @Endersmens Stargazing thread! This thread has been dedicated to stargazing and telescopes to those fellow stargazers among us. feel free to show people your telescopes, and so on (*feel free to do other stuff as well!*) I have a Celestron 6 inch telescope that is a bit expensive, but works great! (*sorry no other telescope details because I'm on holiday. Also I'm not able to take pics yet*) Edit: wait, I have a Celestron Nexstar 6SE Schmidt-Cassegrain
  14. There is a ton of intersting mods for ksp that add telescopes and cameras, but we dont use them. So i ve got an idea for your ksp activity . You launch your telescope into orbit and observe different planets from long distance , take some cool screenshots of planets and send it into the coments . (Dont forget to quickscope the planet! )
  15. Greetings All, The winners are here: https://www.theguardian.com/science/across-the-universe/gallery/2016/sep/16/insight-astronomy-photographer-of-the-year-2016 None of my favourites made it so I thought I would post them anyway: Aurora Bird – Jan R Olsen (Norway) Jan R Olsen / The National Maritime Museum / Royal Observatory Greenwich’s Astronomy Photographer of the Year 2016 competition Between the Rocks – Rick Whitacre (USA) RICK WHITACRE / THE NATIONAL MARITIME MUSEUM / ROYAL OBSERVATORY GREENWICH’S ASTRONOMY PHOTOGRAPHER OF THE YEAR 2016 COMPETITION The Diam
  16. This is actually a spacecraft/mission that I see almost never mentioned here on the forums for some reason... yet it has been quietly working away at its task, and now, the first results are in. ESA's Gaia spacecraft, sometimes nicknamed the Billion Star Observatory, is an astrometry satellite launched in 2013 and currently sitting at Earth-Sun L2. it has now returned enough data for a new map of the Milky Way to be published. A map made out of 1,142,000,000 stars, in full 3D, each with its position and its brightness determined with extreme precision. It is the largest all-sky survey eve
  17. This is a thread where people can chat about their astronomy studies, observations, careers, or other stuff. Users can post observation logs (well, typed versions anyways), photos of what they were observing, or things like stellar light curves, spectroscopic data, and information collected from observations. I'll be posting stuff too, as well as adding my astronomy photos to this post. Here are some now: JUPITER: SATURN: NEPTUNE: VENUS: INTERSTELLAR OBJECTS:
  18. 1. What does a completely dead white dwarf look like? Is it like a solid planet? 2. Are neutron star "fragments" a real thing? Can the "fragments" continue to sustain their reactions? 3. How big would a neutron star with the mass of an average-size planet be? 4. Do bigger stars have bigger habitable zones? 5. Say you had a binary-ish star system consisting of a massive star and a relatively low-mass star. Is it possible to have planets stably orbiting the massive star further out than the lower-mass star?
  19. As normally, I was playing with Tarsier Space Tech and cockpit zoom trying to figure out if planets would be visible. Not only I figured out eve can easily be seen with basic cockpit zoom, but also events such as transits can be seen! Everyone has seen Kerbol eclipse, but has somebody seen an transit occur? Eclipse occurs once every 6 days, but Eve and Moho transits are extremely rare, as Moho and Eve have a lot more inclined orbits. Here are some photos of eclipses, transits and oppositions captured with cockpit zoom and Tarsier Space Tech telescope, and if you have observed Eve and Moho tran
  20. The time has come! Mars has been in obscurity since April of 2014, but now it is shining at magnitude -1.9/-2.1. This is the brightest Mars has been since 2005 and it's time to take advantage of that. Mars' opposition is May 22nd and it will appear very nice for the next 5-10 days. So, if anyone has the right equipment, observe Mars! OTHER THINGS TO OBSERVE Mars is near Saturn, the Moon, and Antares, giving anybody a nice selection of beautiful astronomical objects to choose from. The nearby constellations of Scorpius and Ophiuchus have over a dozen clusters and nebulae combined and
  21. Sunset is fairly late here at this time of year. I was walking around outside at around 8:20 PM local time and it was still quite bright out; the sun had sunk just below the treeline to the west but the sky hadn't yet started to go gray at all...still pale blue. To my surprise, I was able to see Jupiter just southeast of the zenith, quite clear. It could have been imagination, but it seemed to have both angular size and a faint golden tinge. I have seen planets just after sunset, but never so high or when the sky is still so bright. What's the highest magnitude a planet can get, and
  22. Required materials for Astro-physics: Mathematics Physics (Quantum,Mechanical) Is these are the first requirement?
  23. Here lately, there have been a lot of new discoveries that have come out that have shaped our understanding of space. So, in the spirit of discovery, it simply seemed that a single thread could be used as a repository where links could be shared. So, in the spirit of what the intent of this thread is, I will share an interesting article that I found this morning in my news feed. The summary is nothing more than a cut and paste of the first part of the article that basically introduces the new find. I do ask that if you share an article, you'd follow this example so we can have some sort o
  24. Wish I had a good setup for photos, but got a nice clear view of Jupiter tonight and four moons; cheap reflecting scope on a city sidewalk was just enough in this perfect night in upstate NewYork. Best part was showing it to a gaggle of passing frat bros who walked off saying, "that was SICK!" So, if you're in the northern hemisphere right now and it's dark where you are--look up!
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