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Technical card

Imaging telescope or lens: Takahashi FSQ106 ED

Imaging camera: NIKON D800

Mount: Losmandy G11

Guiding telescope or lens: Saxon 80mm

Guiding camera: The Imaging Source DMK41AF02.AS

Software: PixInsightPHD guiding

Resolution: 6027x5528

Dates: Dec. 14, 2012

Frames: 48x300"

Integration: 4.0 hours

Avg. Moon age: 0.75 days

Avg. Moon phase: 0.64%

Astrometry.net job: 86448

Description

Mosaic of 6 images stitched together covering the Large Magellenic Cloud. 10 000 million stars about 180000 light years away form this barred dwarf galaxy. Recent proper motion studies indicate that the LMC and SMC have just arrived after being ejected from the direction of M31.
If you look carefully enough at this image you will see the impact of thermal focus shifts, variation in seeing and guiding differences over the three nights these images were acquired.
It's bad enough that I will do this again next year, perhaps using a focal reducer to limit the number of frames.

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Author

Andrew Lockwood
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LMC mosaic, Andrew Lockwood