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Image of the day 04/09/2017

Getting plate-solving status, please wait...
    A rose in the eye of the unicorn, David Lindemann
    A rose in the eye of the unicorn
    Powered byPixInsight

    A rose in the eye of the unicorn

    Image of the day 04/09/2017

    Getting plate-solving status, please wait...
      A rose in the eye of the unicorn, David Lindemann
      A rose in the eye of the unicorn
      Powered byPixInsight

      A rose in the eye of the unicorn

      Equipment

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      Acquisition details

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      Description

      30 panels mosaic of H-a, SII and OIII + 104 panels Red and Blue from POSS2 (Digitized Sky Survey http://www.astro.caltech.edu/~wws/poss2.html)

      LRGB composition Hybrid Cannistra bi-color (http://www.starrywonders.com/bicolortechniquenew.html) narrowband and broadband palette

      363 raw narrowband images of 10 minutes each

      208 raw broadband images from POSS2

      60.5h total exposure during 10 nights

      A full resolution of 11278x19004 pixels for a total of 214 Megapixels

      50 bias + 50 dark + 50 flats for calibration in CCDStack

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      Takahashi FSQ106ED @f/5 530mm focal length with ONAG XT (http://www.innovationsforesight.com/),

      Apogee Alta U8300 monochrome @-30°C and Astrodon narrowband H-alpha, OIII and SII 5nm filters on 10micron GM2000 HPS II

      Software: MaximDL to capture - SkySurveyor to calculate mosaic tiles and to automatically move the scope to the next tile coordinate - SharpLock to keep the optical train perfectly focused - CCDStack to calibrate, register, normalize, data reject and combine - Registar and PixInsight for mosaic assembly - Photoshop CE and PixInsight for non-linear streching.

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      A rose in the eye of the unicorn, David Lindemann

      In these public groups

      Narrowband imaging
      Deep Sky Mosaics