Tag: Stars

• M45, the Pleiades – Also known as the Seven Sisters, the Pleiades are an open star cluster and nebula about 440 ly away (which is very close, actually). by write_adam via http://flic.kr/p/L1VC5

  2015-08-04

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• M42, the Great Orion Nebula – The Great Orion Nebula (M42) and its companion, the Running Man Nebula (NGC1977), are located in the ‘Sword’ part of the constellation of Orion, just below the easternmost of the three stars that comprise Orion’s belt. Approximately 1500 light years away, M42 is a turbulent cloud of gas and dust, and a star-forming region of particular interest to astro-geeks like me. A number of hot young stars (mmm…hot young stars…) fuel the dense swathes of surrounding gas, causing it to ionize and produce its glow. by write_adam via http://flic.kr/p/L1VC1

  2015-08-04

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  via Tumblr http://bit.ly/1SHqQe8

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• orion_28min_14fr_pscrop1600 – by write_adam via http://flic.kr/p/4dBFaf

  2015-08-04

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  via Tumblr http://bit.ly/1MJGTnI

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• M31, Andromeda Galaxy [explored] – You all know this one … Andromeda is the nearest large galaxy to the Milky Way (approx 2.5 million ly away), and similar to ours in size and structure. It’s huge – even at that distance it appears about 6 full moons across. M31 is so bright that it can be seen with the naked eye from dark skies, and I regularly catch it through binoculars even from downtown Toronto. She also has a couple of companion galaxies – M32 is the small one above it, and M110 is the elliptical one below it. All of the (non-galaxy) stars in this field are part of our Milky Way, and relatively nearby – positioned between us and the distant galaxies. Think of it as if you’re looking through snowflakes at a distant object. Details for astronerds: L:R:G:B combine (minutes) = 80:25:25:35 FSQ-85 and STL11000M Taken from dark skies near Havelock, Ontario, Canada on August 6, 2010. Thanks for looking, Adam by write_adam via http://flic.kr/p/8qki95

  2015-08-04

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  via Tumblr http://bit.ly/1KNFvAa

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• Orion constellation panorama – [Intro for the non-astronomers] This field covers a swath of one of the most interesting parts of the sky. At about 15 full moons wide, it stretches from Orion’s sword at right through the Horsehead and Flame nebula at center, with all surrounded by huge swaths of hydrogen gas and dust. A great reminder that our galaxy is not just made of stars! [Nerdy intro for the astro-folk] After much agonizing time staring at my screen, I’m done with this mosaic. 2 frames, roughly 15% overlap, then cropped. (Can’t imagine how guys like Rogelio do 20-frame mosaics!) For the RGB, I used a combo of 90 minutes taken from home (new moon, but still badly light polluted) and some old DSLR data from 2 years ago taken under dark skies. Aligning the Ha and RGB was a pain due to this as well as slight field rotation in the Ha. Ha was blended with pseudo-Lum (from the RGB), then blended as Luminance in PS with the RGB. Please forgive the Blue haloes … my filters are chronically haloed and this is exacerbated by the Ha as it has smaller stars. Hydrogen-alpha-only version can be found here. Details: Hydrogen-alpha = Baader 7.5nm, 8 x 20 min (right panel has an extra 10 x 1 min Ha, layer masked over M42’s core) RGB = 18 x 5 min exposures each Telescope = Takahashi FSQ-85EDX Camera = STL-11000M Mount = EQ6 Pro Software = capture, stacking and alignment in MaximDL; mosaicking, levels and cropping in Photoshop Date = Several nights in October and November 2010 Location = downtown Toronto, Canada by write_adam via http://flic.kr/p/8WCvFg

  2015-08-04

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  via Tumblr http://bit.ly/1KNDLH5

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• looking into the center of the Milky Way – To look toward the constellation Sagittarius is to look in the direction of the center of our galaxy. This region is among the sexiest in the night sky, especially in long exposure photography, with bright nebulae, dark dust and star clusters packed into a thick starfield. This is a stack of ten 2-minute exposures @ ISO2000, using a Canon 6D and 24-105mm f/4L at f/4 and 24mm. The images were tracked using a Vixen Polarie star tracker on a lightweight carbon fiber tripod. Taken April 4 2013 from the dark skies of Spanish Wells, Bahamas. by write_adam via http://flic.kr/p/ekeRs8

  2015-08-03

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  via Tumblr http://bit.ly/1M1typ9

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• Rosette Nebula HaRGB – Love this hole in the sky. H-alpha layer: TEC140 QSI583wsg 6 x 30m h-alpha 5nm Mach One -35C camera temp -25C ambient temp very cold hands hot whiskey (Te Bhaig) RGB layers were captured 5 (!) years ago, STL11K and TMB130 by write_adam via http://flic.kr/p/pXqtcN

  2015-08-03

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  via Tumblr http://bit.ly/1M7joF7

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• NGC 281, H-alpha, Oiii, RGB – H-alpha = 180 minutes OIII = 330 minutes RGB (stars) = 60:60:60 minutes Camera = QSI 583wsg Telescope = TEC 140 Mount = AP Mach One Beverage = The Glenlivet 12 Location: downtown Toronto, Canada Date: Three nights in Aug/Sep/Oct 2014 Software = capture and alignment in Maxim DL, post-processing in PS CS5 So what is this thing? NGC 281 is located roughly 9,200 light years away in the constellation Cassiopeia. The massive stars in the middle of this nebula are shaping their environment through powerful stellar winds and intense radiation. They heat up the surrounding gas, causing it to emit light, and forming the pillars you see on the right side of the scene. Opaque dust clouds – dark nebulae – block some of the light emitted by these glowing gases. To capture all this, I combined images captured in narrow wavelengths of light emitted by oxygen and hydrogen atoms, and then later captured standard RGB frames just for the star field (stars in narrowband composites can look pretty strange). Thanks for looking! by write_adam via http://flic.kr/p/qHu8TR

  2015-08-03

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  via Tumblr http://bit.ly/1JIc6pr

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• van den Burgh 152 – Takahashi FSQ 85 QSI583wsg Mach One 12 x 10m Luminance 10x 5m RGB respectively -20C camera temp Islay Mist 8 yo scotch whiskey, as dirty and smoky as this scene by write_adam via http://flic.kr/p/wr7hQu

  2015-08-03

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  via Tumblr http://bit.ly/1eOhFFY

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• My first full Milky Way arch panorama. Captured at Independence Pass in Colorado (12,095ft) [OC] [6000×2000] via /r/spaceporn http://bit.ly/1E4HyYJ

  2015-08-03

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  via Tumblr http://bit.ly/1E4HDvz

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• “After many failed attempts I finally made my first full Milky Way arch panorama” /u/aryeh95 [x-post r/space | 6000×2000] via /r/spaceporn http://bit.ly/1SWwsvL

  2015-08-03

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  via Tumblr http://bit.ly/1eO9vxp

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• Space Shuttle Endeavour approaches the ISS during STS-130 mission [6048 x 4147] via /r/spaceporn http://bit.ly/1ITVLPK

  2015-08-03

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  via Tumblr http://bit.ly/1SVXZgZ

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• Astronaut Scott Kelly captures a Earth/Moon/Venus/Jupiter alignment from the ISS [1024 x 681] via /r/spaceporn http://bit.ly/1N2OkUd

  2015-08-03

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  via Tumblr http://bit.ly/1N4qPtV

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• The International Space Station transiting the moon at roughly five miles per second. [1705×1705] Photo by Bill Ingalls/NASA via /r/spaceporn http://bit.ly/1gE60LG

  2015-08-03

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  via Tumblr http://bit.ly/1KLRWcY

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