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strongmanmike2002 | all galleries >> Images taken prior to 2012 >> Nebulae >> Triffid Nebula and M21 > M20 The Triffid Nebula - featured in Sky & Space article 2007
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M20 The Triffid Nebula - featured in Sky & Space article 2007

Click on "original" size below to see a 1meg size image.

Published in Sky & Space Sept/Oct 2007

https://pbase.com/strongmanmike2002/image/163616284/original

See a more recent composite version here:
https://pbase.com/strongmanmike2002/image/156103417/original

AP152 F7.5 Starfire APO refractor with 4" field flattener
FLI ProLine11002 CCD & CFW-2-7
LHaRGB = 30 15 20 20 20min (All bin 1X1)
-35C chip temp, darks used but no flats
12MPPS download speed = 1.5sec/full frame download at bin 1X1.
FOV = 1.8deg X 1.2deg at 1.6"/pix
Guide Camera: Starlightxpress SXVH9

Comments:
Taken in poor seeing and windy conditions
Minor cropping to remove dithered frame edges
and a tiny amount of vignetting.

For a more traditional framing of the Trifid Nebula taken from the
the above image see:

http://www.pbase.com/strongmanmike2002/image/82519390/original

Equipment setup:

http://www.pbase.com/strongmanmike2002/image/81003751/original

Some links to equipment used to take this image:

Finger Lakes Instrumentation CCD cameras:

http://www.flicamera.com/

Astro-Elecronic FS2 scope GOTO controller:

http://www.astro-electronic.de/

Gerd Neumann/Astronomik filters:

http://www.gerd.neumann.net/

http://www.astronomik.com/

MSB Software & Astroart 4

http://www.msb-astroart.com/

STAR Atlas:PRO planetarium software:

http://www.skylab.com.au/

AstroHandy Accessories

http://www.astrohandy.com/


other sizes: small medium large original auto
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