The Trapezium in M42
From the author of Welcome to the Universe in 3D
Click here for daytime image of M42.
19:17 EST Jan 26, 2022.
ZWO ASI294MC-Pro on 10" RCOS at f/9.
5 minute LiveStack of 4-second exposures.
RL deconvolution in MaximDL and HDR stretched in Photoshop.
18:44 EST Jan 15, 2020.
Starlight Express Trius SX-694 on 10" RCOS at f/9.
Hα = 41 mins,
OIII = 42 mins,
(guided 60-second subexposures).
RL deconvolution in MaximDL and HDR stretched in Photoshop.
Stretched and gentle unsharp-masking in Photoshop.
HDR stretched in Affinity.
21:36 EST Feb 4, 2019.
Starlight Express Trius SX-694 on 10" RCOS at f/9.
Hα = 20.5 mins,
OIII = 17.5 mins,
(unguided 30-second subexposures).
18:53 EST Jan 26, 2016.
Starlight Express Trius SX-694 on 10" RCOS at f/9.
Hα = 22 mins,
OIII = 33 mins,
(unguided 15-second subexposures).
Richardson-Lucy deconv. Photorealistic HDR stretch.
Gentle
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.
_RL-LRGB_log.jpg)
Gamma stretch.
_RL-LRGB_gamma.jpg)
Here's the 2 minute stack of R frames deconvolved with Richardson-Lucy
deconvolution algorithm.
Runaway star, the Becklin-Neugebauer (BN) object, is marked.
