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strongmanmike2002 | all galleries >> Images taken prior to 2012 >> Nebulae > NGC 6357 in Scorpio H-alpha using 4" field flattener
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NGC 6357 in Scorpio H-alpha using 4" field flattener

Click on "original" size below to see a 750K image.

This is the first image taken with the FLI ProLine11002 and
4" Field flattener on the Starfire.

152EDF F7.5 Starfire refractor (with 4" Field Flattener)
FLI ProLine11002 & CFW-2-7
Full frame uncropped image
3 X 10min H-alpha, bin 2X2
Darks, bias, -25C chip temp
Guide Camera: Starlightxpress SXVH9

Comments:
Image size reduced for web display
At least one of the three sub frames was taken through cloud
Vignetting appears to be minimal with the adapters used to couple
the 4" FF to the Proline, even though no flats were used
Bin 2X2 was unintentional - Ooops!

Finger Lakes Instrumentation CCD cameras:

http://www.fli-cam.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/


other sizes: small medium large original auto
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