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Lunar mosaic 01/02/2018
© D Elijah
Credit D Elijah

Lunar mosaic 01/02/2018

Lunar terminator taken on 1st February 2018. The Moon was waning from eclipse at about 97% full. The seeing was average and the telescope struggled to capture details that on other night would have been easily in reach.

Highlights include: The far eastern limb features including Mare Fecunditatis and crater Langrenus. I also took an extra excursion to capture the Messier craters and their twin rays. 

Equipment: Skywatcher Skymax 150 on an EQ5 pro mount. Canon 550D in movie crop mode with a Baader fringe killer filter. I refocused the scope twice but it probably still didn't reach thermal equilibrium.

Processing details of individual frames can be found on earlier lunar images in the album. The mosaic was done in Gimp using the layer difference tool.



D Elijah


© D Elijah

From the album:

Lunar work

  • 32 images
  • 25 image comments

Photo Information for Lunar mosaic 01/02/2018

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I have also made a more naturally processed mosaic, the original one was quite heavily stretched to bring out details away from the terminator. The attached mosaic uses a simple reduction of gamma = 0.6 and no stretching. There are fewer artefacts in the deep crater shadows.


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