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 * Deep Sky Thursday, February 23, 2017
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Nebulae
Pelican Nebula

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Pelican Nebula

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Date: 8/5/2006
July. 23/2005 to Aug. 5/2005
Toronto, Canada

This is a 2 panel mosaic of the Pelican nebula taken over a three week period on multiple imaging sessions. The mosaic seam is halfway down the frame bisecting the Pelican's beak - but hopefully you can detect that it's there.

Televue 76 at f6.3
SBIG ST8i
All unbinned.
Ha: 7.5 hours
Red: 2 hours
Green: 2 hours
Blue: 4 hours

By far this has been the toughest technically to complete. Having to deal with severe gradients that were very different from night to night, some subs were shot on opposite sides of the meridian and then having to stitch each wavelength separately, flatten, then combine them all was more than I had bargained for. I can't tally the number of hours spent in processing, but I can assure you it's some integer multiple of the time spent collecting the photons.

The image was processed with MaxIm DL, PixInsight LE and Photoshop CSII. The mosaic was stitched together using MaxIm DL's mosaic feature. Once each colour channel was assembled, I exported them into PixInsight LE to remove gradients using the DBE tool - especially for the RGB channels. Then the final assembly and processing was done using Photoshop CSII.

Feel free to rotate it 90degrees ccw to change the orientation. I present it in landscape mode just so that it can be easily viewed at a higher resolution on a computer monitor.


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Melotte 15 (IC1805) SH2-126 / LBN437 M20 The Trifid Nebula DWB111 The Propeller Nebula IC1274 The Cone and Fox Fur Nebula NGC 2264

NGC1499 - The California Nebula M8 - Lagoon Nebula IC443 NGC1977 - The Running Man Nebula Elephant Trunk Veil East

Veil West Horse Head up Close Flame Nebula (NGC2024) Pelican Neck HSO Pelican Neck SHO Bubble Nebula

Pelican Nebula NGC6823 Pickering Triangle M27 M57 Rosette

Horsehead (up close) M42 Region Cone Nebula M1 from Kitt Peak Pelican and North American Nebulae IC5070 - Pelican Nebula in Cygnus

Veil West IC1396 IC 1311 in Cygnus NCG6914 NGC6992 - Network Nebula Butteryfly Nebula

M27 - *True* Colour M106 M33, the Pinwheel galaxy NGC 4565 (The Needle Galaxy) M74 from Kitt Peak NGC6791

M44 M92 M13 - Globular Cluster M3 - Globular Cluster

Astro Garage - Cog in the Machine