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Found 8 results

  1. GWalles

    Crescent_Nebula.png

    From the album: First Images

    © Garrick Walles

  2. So far the start of fall has given some great skies, I have been observing most every night focusing on a few favorites including the Crescent nebula. This object shows some really nice detail at times and tonight when panning minutely around it I noticed a shade edge nearby... this immediately grabbed my attention and became the target of the night and turns out to be LBN 208. The 30mm ES 82/OIII/15" dob presented this object in direct vision once I had found it and is approx 1 deg away, or a bit less, opposite from the Crescents bright triangle of stars and so far shows oblong- more FOV would be an asset. I can't believe I didn't notice this object before. The sky mag is 21.8, NELM 6.8 and with above avg transparency. I must add that the NELM stars used were in Ursa Minor and that the mag 6.3 HIP 79420 is my usual target and tonight it showed easily in direct vision. Inspired I then rolled my eye around the area trying to get any "flicks" popping into view- and doing so HIP 77942 was caught at mag 6.8, my best yet. Cupping my hands around the eyes seemed to help. All in all a great night and before I forget...the Veils thin thread might not be so thin...
  3. From the album: Photos from Bury

    The Crescent nebula. Processed using DSS. Hardware details: Camera: Canon 600D. Telescope: SW Evostar 120 with Baader UHC-S filter. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 25 x 3min at ISO 800, Darks: 50 x 3min 0 sec at ISO 800 (from dark library), Lights and darks separated by 30 sec intervals. Flats: 50 x 1/50s at ISO 800, Bias: 50 x 1/4000 at ISO 100. Date of capture 05/07/2016. Atmospheric transparency was good, some faint clouds appeared but did not affect the frames significantly. Auto guiding was very stable. I increased the saturation by 30% and manually aligned the colour channel histograms. I stretched the red, green and blue channels by about the same amount to try and show the subtle difference in colour. The 600D is astro modded.

    © D Elijah

  4. From the album: A New Hope

    Image taken on the 10th October 2013 using Tak 85FSQ with unmodified Canon EOS 5D Mk2. (1hr 57 min of data - 39 x 3min subs @ ISO 1200 with same qty of darks, bias and flats). Captured with APT, stacked with DSS & Processed with Pixinsight / Photoshop.

    © AJG 2012

  5. Shibby

    Crescent Close-Up

    From the album: Deep Sky

    17x600s 450D + 7nm Ha Filter

    © Lewis (Shibby)

  6. From the album: Deep Sky

    2x17x600s 450D + 7nm Ha Filter

    © Lewis (Shibby)

  7. My first crack at this DSO in our Milky Way galaxy let me know what you think. 7- 5 minute lights 35 minutes total time guided unmodded 60D ISO800
  8. From the album: Photos from Bury

    The Crescent nebula. Processed using DSS. Hardware details: Camera: Canon 600D. Telescope: SW Evostar 120 with Baader UHC-S filter. Mount: AZ-EQ6 guided using a ST80 synguider. Image details: Lights: 2 x 3min at ISO 800, Darks: 20 x 3min 20sec at ISO 800 (from dark library), Lights and darks separated by 30 sec intervals. Flats: 40 x 1/40s at ISO 800, Bias: 30 x 1/8000 at ISO 100 Date of capture 05/06/2016. Atmospheric transparency was good (I only had a few minutes before morning twilight). Auto guiding was stable. I increased the saturation by 25% and manually aligned the colour channel histograms. I stretched the red colour histogram more than the green or blue to increase its contrast. The 600D is astro modded so does pick up H alpha in the red so the result is far better than the old D200. I need more lights. Also the 600D had much less dark noise that the Nikon, more of the field is usable now. No drizzling was done on this stack.

    © D Elijah

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