The Trapezium in M42

Click here for daytime image of M42.

Enhanced by Digital Development

Without Richardson-Lucy

18:53 EST Jan 26, 2016.
Starlight Express Trius SX-694 on 10" RCOS at f/9.
Hα = 28 mins, OIII = 42 mins, (unguided 15-second subexposures).
Richardson-Lucy deconv. Log stretch.

Dramatic

22:18 EDT Nov 25, 2006.
Starlight Express SXV-H9 on 10" RCOS at f/9.
Hα = 32 mins, OIII = 35 mins, (guided 1-minute subexposures).
Richardson-Lucy deconv. Log stretch.

A simple log stretched version: large, small.
An aggressively processed version: large, small.

01:35 EST Oct 31, 2005.
Starlight Express SXV-H9 on 10" RCOS at f/9.
L = 110 secs, Hα = 15 mins, OIII = 225 secs, R = 120 secs, G = 112 secs, B = 112 secs (guided short subexposures).
Log stretch.
Richardson-Lucy deconv.

Richardson-Lucy deconv.
Log stretch.

Gamma stretch.

Here's the 2 minute stack of R frames deconvolved with Richardson-Lucy deconvolution algorithm. Runaway star, the Becklin-Neugebauer (BN) object, is marked.

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