B72 - The Snake Nebula and Friends
(rollover image)

B72 and nearby dark nebulae.  Put your mouse over the image above for identification.
Constellation: Ophiuchus - the Serpent Bearer
Type: Dark Nebula
Position: For B72:
Exposure: Taken 6-3-08 at the Texas Star Party
11 X 300s ISO 800 65 deg. f
Processing: Raw images converted to 16bit TIFs, dark subtracted and stacked (average) in ImagesPlus.
Levels and curves adjusted in Photoshop.
Equipment: Orion 80ED  f/7.5 refractor at prime focus
Hutech Modified Canon Digital Rebel (300D)
Losmandy G-11 Gemini mount
SBIG ST-4 autoguider
Celestron Guidescope
Notes: Dark Nebula are clouds of dust that obscure the stars behind them.
Many of the dark nebula carry a starting designation with the letter 'B'.
This refers to Edwin Barnard, an early astrophotographer who cataloged them.
Place your mouse over the image above to identify the dark nebulae in the image.

Locator Chart

snakechart.gif (4521 bytes)

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