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Amateur Telescope Makers of Boston

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Submitted by Gary Phillips on 11/17/2014 19:33:59

M45 Pleiades, 14Nov14, Northboro, MA

Canon 5D mark ii, internal CLS filter, 7000K in camera WB, 70-200mm f.2.8 lens + 1.4 extender, shot at 280mm focal length, ISO 1600, f/5.6, 50 seconds each x 119 images (99 minute total exposure).  Celestron Advanced GT equatorial mount with poor alignment b/c I was rushed.  Post processing- 100% clarity added in Lightroom to stacked Nebulosity tiff image, added mask and text in Photoshop.



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