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Found 8 results

  1. Globular star cluster M13 in the constellation Hercules at a distance of 25,000 light-years and 145 light-years in diameter taken from Kielder Spring Starcamp 2012. 5" Takahashi Refractor Pentax K5 iso 800 x5 375sec exposures with extender. Deep Sky Stacker No Flat Frames No Dark Frames (Quick & Dirty) M13 by mikeyscope, on Flickr
  2. From the album: fish

  3. neil groves

    M13 final

    From the album: DSO

    After a few hours of faffing around trying to squeeze as much detail out of this thing and trying to avoid centric rings I managed this, since I am a newbie to this game I am very satisfied although I am seeing I need to get to grops with my star spikes which were added in photoshop and I need to keep my noise levels down more but that is all a part of the astro learning curve. Lights = 58 Darks = 19 Flats = 19 ISO = 800 Scope = SW ED120 Camera = Canon 5D Processed in Deep Sky Stacker and Photoshop CS5.
  4. Hi guys I thought the DSO season was well and truly over for me, but the weather's been unusually clear here in N.I for the last while that i just couldn't help myself ? So even though there is no astro dark at this time of year up here at 54 degrees N, i decided i wouldn't let that stop me try for one last target. There was also a very big bright moon up as well, so i figured M13 was pretty much the only viable target for me. Of course, with just a wee SW 80ED to work with (at 510mm FL) i knew i didn't really have the FL to do this one justice, but having never shot a Globular Cluster before i was still excited to give it a go. So here it is: Shot on May 24 from Crumlin, N.Ireland 20 * 420s with the IDAS-D1 at ISO 200 10 * 60s with the IDAS-D1 at ISO 200 All frames dithered aggressively every frame Usual gear, Nikon D5300 on a HEQ5-Pro, guided with a QHY5 and PHD2, and captured with SGP. AstroPixelProcessor used for stacking, gradient reduction, and star colour calibration. Everything else done in Photoshop. The 60s subs were used just for the core. I'm kind of pleased with how it came out. Although i'm not completely sure tbh, as this is new ground for me, and if there's one area the wee 80ED does struggle a tad with it's with stars, and with a globular there's certainly nowhere to hide on that front! Also attached is a 100% crop showing just the globular cluster itself. C&C most welcome as always. Cheers guys!
  5. This is a series of 10 minute and 60 second LRGB subs from the Deep Sky West facility in New Mexico. Processing was done mostly in PI, but PS was used for final tweaking. You may need to click the full size image to see the 'propeller'. Luminance: 35x60" bin 1x1 Luminance: 11x600" bin 1x1 Red: 12x60" bin 1x1 Red: 20x600" bin 1x1 Green: 12x60" bin 1x1 Green: 20x600" bin 1x1 Blue: 12x60" bin 1x1 Blue: 20x600" bin 1x1 Which I think makes exactly 13 hours. Tak FSQ 106; Paramount MyT; QSI 683; Astrodon Filters
  6. Aenima

    New hercules glob

    From the album: 2015 Various

    great cluster in hercules m13

    © Aenima

  7. JackCooke

    Messier 92

    After many weeks of telescopes gathering dust I finally managed a long night sketching under the stars. Having only ever sketched open clusters I wanted to attempt a GC. Hercules was well positioned so I chose to draw m92, often overshadowed by the more famous m13. My red torch was a little too bright and there was some intermittent cloud but the sketch comes pretty close to what I saw. All comments / criticisms / comparisons most welcome! Jack p.s. As I was packing up around midnight I saw what I can only assume were parts of a meteorite breaking up in the sky. A long trail of five to ten separate glowing dots moved eastward through cygnus toward the horison. It was like watching several satellites following each other in an absolutely straight line. Anyone else see this or remember something similar?
  8. This is a new image from DSW in NM. Sharpless 2-73 in the constellation of Hercules. The Internet tells me that Sh 2-73 was initially thought to be an HII emission nebula. It is now, however, considered to be a molecular cloud of gas and dust. Details are: Imaging Location: Deep Sky West facility - New Mexico Dates: Several nights in May 2017 - end date 25 May 2017 Scope: Takahashi FS1 106 Camera: QSI 683 WSG9 Filters: LRGB Astrodon Mount: Paramount MyT Data: Lum - 24 x 900s; Red - 18 x 900s; Green - 16 x 900s; Blue - 22 x 900s - A total of 20 hours exposure Processing: PixInsight and Adobe Photoshop It can also be seen here:
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