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Showing content with the highest reputation since 04/06/12 in Images

  1. 5 points
    Looping Version -Strange transit of the Sun
  2. 4 points

    From the album: Deep Sky II

    This image represents 18.5 hours of integration including 8 hours of Ha. It's quite an unusual image in the sense that the nebula and stars play an equally dominate role, particularly given the presence of some very bright stars. As a consequence I decided not to push the stars into the background. The Ha was mainly used to enhance the Luminance although I did add a little to the red channel. In an attempt to get accurate star colours I also attempted to blend RGB stars with the LblendRblendGB image. Colouring the nebula was the major challenge since some parts are quite bright (the "head") whilst other parts (eg the "legs") are quite faint.
  3. 4 points

    From the album: Deep Sky II

    I gave this quite a long exposure with the H alpha filter (c7.5 hours) since I wanted to capture the various hydrogen clouds. The image represents about 15 hours of integration. CCDstack used for calibration, stacking and error rejection. Pixinsight for DBE, BN and Colour Calibration, PS for everything else. The major challenge with this image is that it contained various scattered light "rainbows" that where generated by out of view bright stars, one of these "rainbows" passed straight through the galaxy. To eliminate the scattered light issue I followed the PS tutorial by Adam Block in his "cosmic canvas" series - this is an amazingly effective technique to eliminate/reduce the problem. LIGHTS: L:15, R:9, G:10, B: 12 x 600s; H: 15 x 1800s. DARKS:30; BIAS:100; FLATS:40 all at -20C.
  4. 3 points
  5. 3 points

    From the album: Lunar and Planetary Images

    Canon 100D and Skywatcher Equinox 80 ED Single 1/500 second exposure at ISO 200 with light processing in Photoshop Elements 11

    © vicky050373

  6. 3 points

    From the album: Slynxx Learning Curve

    First proper try at capturing M31 30 x 75 sec Light Frames 10 x Dark Frames Canon 700D (Un-modded) Canon EF 75-300 ISO 1600 Stacked using Photoshop & the Median stacking process.
  7. 2 points
  8. 2 points

    From the album: Photos from Bury

    Date of image 19/07/2016 Equipment: SW Skymax 150 (f12) at prime focus. The telescope was mounted on an EQ5 pro. Camera: Canon 550D in 640x480 movie crop mode set at 1/1000s exposure ISO400, the frame rate was 60fps. The total movie duration was about 5 minutes (the weather was cloudless!). Decompressing .mov files was done with Pipp while frame stacking and processing was done with RegiStax 6. Some first comments: The mount was tracking badly but did improve after some fiddling with the PA axis. I tried my best to properly focus but turbulence makes this quite difficult. The image has a slight red tint, I may modify it to equalise the RGB channels.

    © D Elijah

  9. 2 points
  10. 2 points

    From the album: Debo

    Bravais arc
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