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OBJECT

IC 5146 - Cocoon Nebula    (image above is reduced-size | other sizes:  medium , original)

Distance:  3,300 light years

Telescope Takahashi TOA-130F @ f/7.7
Mount Takahashi EM200 Temma II
Camera QSI 540wsg @ -15C
Filters Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen 2
Guider SX Lodestar
Settings 11x10min Ha, 4x5min L (bin1x1); 5x5min ea RGB (bin2x2); AstroArt5, CS4 (uncropped, 10xdarks/flats/fdarks/bias)
Date/Location

Notes
27 August 2017 - Las Cruces, NM

This image is LHaRGB, where Ha was used in combination with Luminance and Ha:R (80:20) was used for the Red channel.

Copyright  Jeffrey O. Johnson

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