Sharpless 2-129 and van den Bergh 140 Emission Nebulae in Cepheus

Click on image to enlarge

Taken on September 25, 2002 from backyard in Castro Valley, Ca.

9 exposures of 10 minutes and 6 exposures of 15 minutes through Schuler Hydrogen Alpha filter (9nm). Total exposure time = 3 hours

To see this image in Color only click here.

AP155EDF f/7 imaging scope

FLI IMG1024S Dream Machine Imaging Camera @ -25C

TV101 guide scope

ST7E NABG guide camera

AP1200GTO mount

Optec TCF-S focuser

FLI CFW1 Filter wheel with Schuler 50mm Hydrogen Alpha (9nm bandwidth) filter

Maxim DL 3.0.7 used for image capture, calibration and alignment, Focusmax used for focusing, Sigma Beta 10 used for darks, flats, stacking

Photoshop 7 used for touchup

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