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Re-process, September 2016 (click for original size)

OBJECT

Barnard 343 - Dark nebula in Cygnus     (image above is reduced-size | other sizes:  medium , original)

Distance:  ??? 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 7x20min Ha (bin1x1); 2x5min ea RGB (bin2x2); AstroArt5, CS4+spikes (slightly cropped, 10xdarks/flats/fdarks/bias)
Date/Location

Notes
8 November 2013 - Las Cruces, NM

Published
in Space.com, 8 Jan 17 (screenshot).
Published
in , May 2014 issue, pg 73 (screenshot).
Published in Amateur Astronomy Magazine quarterly, Winter 2017 issue, pg 73 (screenshot).

Copyright  Jeffrey O. Johnson

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