2. Astronomy

NIGHT OVER ONTARIO

These photos were taken by Lynn Hilborn of Grafton, Ontario.
Pictures have appeared on the cover and inside editions of SkyNews magazine and in Sky & Telescope and Astronomy magazine, and as NASA's Astronomy Picture of the Day.

“ Had I the heavens' embroidered cloths,
Enwrought with golden and silver light,
The blue and the dim and the dark cloths
Of night and light and the half light,”
W.B.Yeats



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Milky way over Lake Ontario at our house...20 minute exposure with Canon Xs modded and 50mm lens at f4.0
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Milky way over Lake Ontario at our house...20 minute exposure with Canon Xs modded and 50mm lens at f4.0

  • Crescent Nebula 3 hours of Ha and 30m each RGB. Taken May 24 with C 9.25 @ f6.3 and ML 8300 camera.<br /> Whistle Stop Obs.
  • Edge-on spiral galaxy NGC891 some 30 million light-years from earth. Taken Nov 8, 2010 by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario. Look at this under the "original" view (put cursor on image and hit "O") and count the number of background galaxies.<br /> TEC 140 @f7 (980mm) and FLI ML8300 camera. LRGB L 7x20m 1x1, RGB each 9x5m 2x2.
  • The Witch's Broom...4.5 hours of exposure with a modded Canon50D. Taken by Lynn Hilborn at WhistleStop Obs, Grafton, Ontario...June/July 2009. NP101is, G11 Gemini, PHD guiding, ISO1600.
  • Christmas Tree Nebula<br /> Lynn Hilborn, November 2009. ML8300 and NP101is at f4.3
  • NGC1333 9 hours of exposure , taken by Lynn Hilborn, Grafton,Ontario with NP101is@f4.3 and ML8300 camera...October 10 and 12, 2010.<br /> Photo published in SkyNews magazine Jan/Feb 2011<br /> Distance: 720 Light Years<br /> <br /> Right Ascension: 03 : 29.3 (hours : minutes)<br /> Declination: +31 : 25 (degrees : minutes)<br /> <br /> <br /> <br /> Text copyright Robert Gendler<br /> <br /> NGC 1333 is catalogued as a reflection nebula but is actually a diverse region and part of the Perseus OB2 molecular cloud complex. It is one of the nearest star forming regions and particularly rich in young stellar objects (YSOs). Stellar clusters are born embedded within molecular clouds and during their early evolution as YSOs are often only visible at infrared wavelengths, being heavily obscured by dust. Four classes of young stellar objects have been described. Class I though III objects progress through an evolutionary sequence of being less dust enshrouded, as they develop towards the zero-age main sequence. The earliest and most imbedded stage of star formation is the class 0 YSOs. These earliest protostars are difficult to detect due to their heavily imbedded nature. Less than 50 Class 0 objects are known however 4 of these low mass protostars exist in NGC 1333. Also 36 Herbig-Haro obejects have been identified in NGC 1333 confirming its status as a young active region of star formation. Herbig-Haro objects are collisionally excited nebulae produced by outflows ejected by YSOs. They are produced mainly during the first few hundred thousand years of life of a YSO and are usually highly obscured by the cloud core environment from which they formed.<br /> <br /> The gaseous structure of NGC 1333 has been mapped at radio wavelengths and appears to support the large scale star formation observed. Lumpy and filamentary cloud structure exists in NGC 1333 indicative of recent collapse and fragmentation of the parent molecular cloud leading to the clustered mode of star formation observed in the nebula. In addition a series of cavities and shells exist presumably blown out by the outflows of infant protostars. Infrared surveys reveal the presence of YSOs at the edge of these cavities indicating that sequential star formation has occurred there and has been triggered by the effects of the powerful outflows from the first generation of stars. The entire process is extremely recent as the cloud hosting NGC 1333 is less than a million years old.'
  • Bubble nebula (reprocessed in Images Plus)....2 hours Ha (8x15m subs), 1 hour RGB (10mx2 each RGB). Just collimated my C9.25 and added a f6.3 reducer and crossed my fingers. Camera is a FLI ML8300 at -35C. Taken by Lynn Hilborn at WhistleStop Obs, Grafton, On...October 2009
  • IC 1805..Heart Nebula. HaRGB 9x15m Ha, 2x10m each RGB. NP101is at f4.3 with ML8300 camera at -35C.<br /> Taken October 2009 by Lynn Hilborn, WhistleStop Obs, Grafton, On
  • Crescent Nebula NGC6888...3.5 hours of Ha 7nm with ML8300 @-30, NP101is.<br /> Sept 15, 2009 by Lynn Hilborn, WhistleStop Obs 44N78W
  • The cover story of the July edition of Sky and Telescope is about the finding of the Soap Bubble nebula by an amateur astronomer. Page 34 of the magazine had a picture which was almost the same field of view to one I took last September. Above is my September shot and buried in the bottom left quadrant is this elusive object...boy is it faint. NP101is telescope and ML8300 camera. Exposure 14x15m in Ha.
  • Untitled photo
  • Color version...LRGB 50m 15m 15m 20m 3x3 bin<br /> Double Quasar 0957+561 - an example of gravitational lensing...(best viewed as Original)<br /> Gravitational lensing was long predicted by Einstein's General Theory of Relativity - if gravity can be properly viewed as a bending of space produced by mass, then light rays should change their direction upon passing a massive object. In extreme cases, we might expect to see multiple images of the same object, formed by light that has gone around opposite sides of the intervening mass. The first examples of such lensing involved quasars, as the brightest objects seen at large distances. This quasar was the first confirmed lensing case, the double quasar 0957+561. It was found while searching for counterparts of radio sources, when two candidates showed up only 6 arcseconds apart (altered text from Wikipedia). <br /> The picture was taken at Grafton, Ontario with C9.25 and ML8300 camera, by Lynn Hilborn, May 2010
  • Leo Trio...M65, M66, NGC 3628 interacting galaxies in Leo. Taken with NP101is and FLI ML8300 camera. RGB 5mx6 each, Lum 10mx9. All binned 1x1. Taken by Lynn Hilborn, Grafton, Ontario, April 4 and 5, 2010.
  • The Sunflower galaxy (M63). Taken by Lynn Hilborn,Grafton, Ontario on April 19, 2010. NP 101is and ML8300 camera. L 120m RGB 40m each, all binned 1x1.
  • Milky way over Lake Ontario at our house...20 minute exposure with Canon Xs modded and 50mm lens at f4.0
  • Moon, January 21..in Ha 4/100th of a second...C9.25 and Ml8300 camera. Lynn Hilborn, WhistleStop Obs, Grafton, Ontario
  • North American nebula and the Pelican nebula HaRGB Ha 16x900s, RGB 4x300s each. NP101is @f4.3, ML8300 at -35C<br /> Taken by Lynn Hilborn, WhistleStop Obs, Nov,2009
  • IC1396 at f4.3 HaRGB with NP101is and ML8300 camera. Taken Nov 6, 2009 by Lynn Hilborn, WhistleStop Obs,Grafton, Ontario
  • Vdb 141 The Cosmic Surfers. C9.25 @ f6.3 and ML8300 camera. LRGB l 7x15m + 5x10m 1x1 bin, RGB 3x10m each 2x2 bin<br /> Taken Oct 25 and Nov 8,2009 at WhistleStop Obs by Lynn Hilborn
  • M81 M 82 in HaLRGB . Taken by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario. December 2009. ML8300 and NP101is.<br /> at 540mm fl. 1 hour of Ha 2 hours of Lum. both 1x1 bin...RGB at 6x5m each at 2x2 bin. Reprocessed January 2011.
  • PG 1634+706 is a Quasar that is almost 9 Billion Light Years away !!<br /> If you were on this quasar and tried to take a picture of the earth .... we don't exist yet !<br /> Our light has only travelled about 4.5 billion light years...the age of the earth....<br /> Photo taken with C9.25 telescope and ST2000 camera, by Lynn Hilborn, Grafton, Ontario
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