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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Identication of LDN 988 and environs. V1331 Cyg, a T Tauri star located in LDN 984. V1331 Cyg is known as a FU Orionis pre-outburst candidate. This star is embedded in a circumstellar bright nebulosity and is also surrounded by helix-shaped nebula originated from the star. Thanks to Bernhard Hubl for this information.<br /> 11 hour exposure taken with TEC 140 @f5.6 and FLI ML8300 camera.<br /> RGB each 2 hours (12x10m bin 1x1), Lum 5 hours (30x10m bin 1x1).<br /> Taken by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario on August 24,25 and September 6, 2012
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Identication of LDN 988 and environs. V1331 Cyg, a T Tauri star located in LDN 984. V1331 Cyg is known as a FU Orionis pre-outburst candidate. This star is embedded in a circumstellar bright nebulosity and is also surrounded by helix-shaped nebula originated from the star. Thanks to Bernhard Hubl for this information.
11 hour exposure taken with TEC 140 @f5.6 and FLI ML8300 camera.
RGB each 2 hours (12x10m bin 1x1), Lum 5 hours (30x10m bin 1x1).
Taken by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario on August 24,25 and September 6, 2012

  • Untitled photo
  • Sunspots...new camera Canon 60D modified and C9.25 SCT.<br /> Lynn Hilborn, Grafton,Ontario...taken Friday, May 11, 2012.
  • Thors Helmet...NGC2359. Taken with TEC140@f7 and ML8300. RGB with Ha all 2x2 bin (5x5mRGB and 5x15m Ha.)<br /> Taken by Lynn Hilborn, March 2011 at WhistleStop Obs, Grafton, Ontario.
  • M13 Globular Cluster 10x4m Lum bin 1x1, 5x5m RGB bin 2x2. TEC 140@f7 and ML8300 camera. Taken by Lynn Hilborn,WhistleStop Obs, Grafton, Ontario. June 2 and 3, 2011.
  • Crescent Nebula in Narrowband using Hubble mix SII Ha OIII for RGB. Bin 1x1 HA 4x30m, OIII 6x30m, SII 3X30m.<br /> TEC 140 @ f5.6 and FLI ML8300 camera.<br /> Taken by Lynn Hilborn, WhistleStop Obs, Grafton,Ontario August 11 and 29, 2011
  • M101, Pinwheel Galaxy with Super Nova...combine of March 25.2011 image plus Super Nova taken August 29,2011.<br /> TEC 140 2 f5.6 with FLI ML8300 camera, L 9x10m, RGB each 5x10m, Ha 9x20m, all binned 1x1.<br /> Taken by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario.
  • Aurora at Grafton, Oct 24.2011 f4.5 18mm 1600 iso 45 sec.
  • Simeis 147 (SH2-240) Natural colour representation. Supernova remnant taken by Lynn Hilborn, WhistleStop Observatory, Grafton, Ontario. Lens- Tokina f2.8 300mm, camera- FLI ML8300 using Baader narrowband filters. Ha 11x30minutes 1x1, OIII 11x30minutes 3x3, SII 6x30minutes 2x2. Total 14 hours exposure. Image taken Nov 21, 23, 30 and Dec 02, 2011.<br /> <br /> It's easy to get lost following the intricate filaments in this image of faint supernova remnant Simeis 147. Also cataloged as Sh2-240 and seen towards the constellation Taurus, it covers nearly 3 degrees (6 full moons) on the sky. That corresponds to a width of 150 light-years at the stellar debris cloud's estimated distance of 3,000 light-years. The composite includes image data taken through narrow-band filters to highlight emission from hydrogen and oxygen atoms tracing regions of shocked, glowing gas. This supernova remnant has an estimated age of about 40,000 years - meaning light from the massive stellar explosion first reached Earth 40,000 years ago. But this expanding remnant is not the only aftermath. The cosmic catastrophe also left behind a spinning neutron star or pulsar, all that remains of the original star's core. (Text from APOD)
  • I love blue Smarties
  • SKYNEWS Magazine Picture of the Week. IC 5070 and NGC 7000 (Pelican and North American nebula) ...SII/Ha/OIII for RGB.<br /> NP 101is and FLI ML 8300 camera. Taken in August 2010 by Lynn Hilborn, WhistleStop Observatory, Grafton, Ontario.<br /> 3 hours of Ha bin 1x1<br /> 4.5 hours of SII bin 1x1<br /> 4.5 hours of OIII bin 1x1
  • T'was a windy night under the pines... 120 seconds Ha filter, the Rosette Nebula.<br /> Canon 200mm @f2.8 and ML8300 camera with Baader Ha filter. Taken by Lynn Hilborn,WhistleStop Obs,Grafton,Ontario.
  • May 20 2012 Solar Eclipse as seen from north of Cobourg at sunset. This is just before sunset, passing through a cloud layer with the Moon blocking the bottom of the sun. The full eclipse was seen in the southwest USA. Photo by Lynn Hilborn with Canon 60D and 200mm lens with solar filter
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  • The world revolves around Shelter Valley...Shelter Valley Folk Festival star trails. 95 x 1 minute each, Canon 60D sigma 10mm lens @ f2.8, 1000 ISO. Taken by Lynn Hilborn, Grafton, Ontario on June 26, 2012.
  • The Trifids, M20. LRGB Lum 7x10m bin 1x1, RGB each 12x5m bin 2x2. Taken with TEC 140 @f5.6 and FLI ML8300 camera at -30C.<br /> Shot July 05,09,10, 2012 by Lynn Hilborn, WhistleStop Obs,Grafton, Ontario.<br /> M20 (Trifid Nebula) (Barnard 85) (NGC 6514)<br /> <br /> Distance: 5500 to 9000 light years<br /> <br /> Right Ascension: 18 : 02.3 (hours : minutes)<br /> Declination: -23 : 02 (degrees : minutes)<br /> <br /> Text Copyright Robert Gendler 2006<br /> A gem of the summer sky, M20 allows us a view into the exciting science of star birth. M20 is a young HII region (300,000 years old) about 30 light years across and is illuminated by the O-type supergiant HD 164492 at the center of its trilobed emission cloud. The ionizing star is about 30 times the mass of our sun and is the "A" component of a triple system ( A, B, and C components). In all there are seven members (HD 164492 A through G) of the small cluster packed within a half light year at the center of M20. As an HII region M20 is similar to M42 in its complexity and relationship to its parent molecular cloud but is much younger. A large blue reflection cloud forms the northern border of M20 and is illuminated solely by the F-type supergiant HD 164514. Recent X-ray and infrared observations have discovered an amazing array of very early stars and protostars within M20 giving us a rare glimpse of the earliest stages of star birth.<br /> <br /> Stars in the earliest formative stages are difficult to detect optically as they are shrouded from view by their parent molecular cloud. They reveal their presence by jets and outflows of gas which characterize their unstable and turbulent beginnings. The power of infrared observations (Spitzer Observatory) allows astronomers to "see" beyond the cloak of gas and dust that obscures young stars. Large populations of the earliest protostars or pre- main sequence stars (Class O and I) have been detected along the filamentary dark lanes near the reflection component. More evolved protostars (Class II) are found along ionization fronts within the rounded brighter parts of the emission cloud. Text with thanks to Robert Gendler.
  • M8 toM16 Canon 85mm f1.8 lens @f3.5 1200 ISO, 80 x 1minute exposures on a Byers CamTrak one axis mount. Canon 60D modified. Taken July 20,2012 by Lynn Hilborn, Whistle Stop Obs, Grafton,Ontario.
  • Close up showing atmosphere on Venus ( thin orange band of top of the planet)...Venus transit, June 2012. Taken by Lynn Hilborn, Canon 60D and C9.25 telescope.
  • Transit of Venus...teardrop effect
  • What was the first telescope image for the masses ? (no pun intended) <br /> In the Basilica of Santa Maria Maggiore, in Rome, there is a fresco of the Virgin Mary standing on a pock-marked moon as seen through Galileo's telescope and painted by Lodovico Cigoli in 1611.<br /> Cigoli. a friend of Galileo, was the first to paint a telescope-sighted moon in the visual arts....the first telescope-imaged APOD ( Astronomy Painting Of the Day).<br /> Photo by Lynn Hilborn, September 30, 2012
  • Identication of LDN 988 and environs. V1331 Cyg, a T Tauri star located in LDN 984. V1331 Cyg is known as a FU Orionis pre-outburst candidate. This star is embedded in a circumstellar bright nebulosity and is also surrounded by helix-shaped nebula originated from the star. Thanks to Bernhard Hubl for this information.<br /> 11 hour exposure taken with TEC 140 @f5.6 and FLI ML8300 camera.<br /> RGB each 2 hours (12x10m bin 1x1), Lum 5 hours (30x10m bin 1x1).<br /> Taken by Lynn Hilborn, WhistleStop Obs, Grafton, Ontario on August 24,25 and September 6, 2012
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