RBA Premium Astrophotography

The Bubble Nebula

Posted: August 1st, 2008



Original size: 2242x1514

DATE
August 1st, 2008, 11:00pm to 3am PST

PHOTO
Exposure: 24 x 10 minutes
Focal: 2160mmm, f/21.6

EQUIPMENT
Imaging Scope: NP101is with Powermate 4x barlow
Camera:Canon 40D IR/UV filter
Guide camera: StarShootAutoGuider
Guide scope: Orion Short 80mm
Mount: Takahashi EM-400

SITE & CONDITIONS
Site: Henry CoeState Park, Morgan Hill,CA
Seeing:Ok
Transparency: Average, thin layer of smoke fromnearby fires

SOFTWARE
Stacking: DeepSkyStacker
Processing: PixInsight + Photoshop

COMMENTS
This was my second experiment with the Powermate x4. Unfortunately, at f/21.6 the more than 4 hours of exposure I gave to this image wasn't enough, and I had to force the image in order to get some detail. From now on, I'll use the Powermate only on VERY BRIGHT objects!


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