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Amateur Telescope Makers of Boston

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Submitted by Gary Phillips on 01/24/2015 15:25:35

Lovejoy (C/2014 Q2), 19Jan15

19Jan15, 7:12 to 9:18PM EST, Northboro, MA
Canon 5D mii 70-200mm + 1.4x ext at 280mm and CLS filter.  Celestron Advanced GT equatorial mount
All frames were @ ISO 1000, f/5.0, 119 sec, each frame is about 5x7 degrees.

I couldn’t get Nebulosity to work, so I averaged stacked the 8 frames of M45 in Photoshop, then dropped that into the pano.  The comet was 14 images manually aligned in Photoshop, lighten blend mode, then dropped into the pano.  Curves adjustment layers used.  Total time between the pano frames, stacking, and putting daughter to bed break etc was about 1 hour.  If I wasn’t so rushed I would have changed to a wide lens in lieu of the pano (the file is huge!), but it was nice to get to know the EQ mount and hand controller more, and nice that the clouds held off and gave me a solid hour to work.  Had to auto blend the frames b/c some were more cloudy than others.  That didn’t go too well, so I plan to reprocess this once I learn more about Nebulosity and will re-work the pano.



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