IC5146 Cocoon Nebula in Cygnus (Hydrogen Alpha Image)

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Separate guide camera/guide scope, C14 using mirror locks

(To see Mike Richmann's wonderful color rendition of this object, click here)

Taken on July 26, 2003 from my backyard in Castro Valley, California

FLI IMG1024S imaging Camera @-35C

Celestron C14 Imaging Scope @ f/11 (F=3910mm)

Astro-Physics 80mm guide scope (F=900mm)

SBIG ST7E guide camera @-15C

FLI CFW1 Filter wheel

Optec TCF-S robotic focuser

Custom Scientific Emission Line Filter:

    Ha             656.3nm/3nm FWHM

three exposures of 30 minutes through Halpha

Maxim 3.10 used for camera control and processing

CCDSOFT 5.0 used for guiding


Click on image to enlarge

Using Beam Splitter for on-axis guiding plus AO7 plus C14 with mirror locks

Taken on September 17, 2003 from my backyard in Castro Valley, Ca.

Celestron C14 imaging scope @ f/12.46 (F=4430mm)

Finger Lakes Instrumentation IMG1024S imaging camera @-30C

RCOS Optical Systems Dichroic Beam Splitter

SBIG ST7E Guide camera controlling 

SBIG AO7 Adaptive Optics System

Astro-Physics AP1200GTO mount

Finger Lakes Instrumentation CFW1 Color Filter wheel

Custom Scientific Narrowband Emission Line Filters

   Hydrogen alpha        656.3nm  3nm FWH

6 exposures of 15 minutes each through Ha (two hours)

Maxim DL 3.20 used for image acquisition, calibration and  DDP

AIP4WIN used for noise filtering and deconvolution

CCDSOFT 5.00.071 used for guiding/AO7 control

SIGMA Prebeta 11 used for darks, flats and image stacking



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