Tuesday, December 31, 2013

Working on getting the Celestron C8 polar aligned

Had just a little bit of clear skies tonight and so I opened up the observatory about 5:45 pm and took some wide angle shots of the sky around the Pleiades. Got up to 3 minutes of exposure without noticeable star-trailing.

Here is the full frame view
Canon T2i
ISO 1600
1 minute each
40 mm

Here is a heavily cropped shot of the Pleiadies (less than 10% of the original photo), three images stacked with Deep Sky StackerCropped heavily, and some post-processing (not all that great)
Seeing was poor, clouds moving in, and heavy atmospheric moisture.

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