The North America and Pelican Nebulae (NGC 7000 + IC 5070)

Posted by Timthelder
on Thursday, July 7, 2011

by Tim Lockhart

ABOUT THE MOSAIC

DATE/TIME:  The evening and early mornings of June 23rd -July 1st, 2011.  From Bowling Green, KY

CAMERA:  Canon XSI, 450D modified

TELESCOPE:  Orion 100ED @ F/7.65

MOUNT:  Celestron CG-5GT.

TOTAL IMAGES:  5, for full mosaic.

ISO SETTING:  800

EXPOSURE LENGTH:  300sec.

TOTAL IMAGE EXPOSURE LENGTH:  18hrs 45min.

SUBTRACTIONS: 10 dark frames and 10 bias frames for each image.

CAPTURE: MaximDL

STACKING/PRE-PROCESSING: Deep Sky Stacker

PROCESSING: Photoshop CS3

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