Sunspot 2418 Taken by Maximilian Teodorescu on September 19, 2015 @
Magurele, Romania
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Camera Used: Unavailable Unavailable Exposure Time: Unavailable Aperture: Unavailable ISO: Unavailable Date Taken: 2015:09:19 18:49:22
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Details:
The following image shows sunspot AR2418, a solitary crosser of the solar disk.
Technical details : 355mm F/5 homemade Newtonian (SkyWatcher optics), 2.25x Baader Hyperion barlow, ASI120MM-S camera with Red filter, and Baader full-aperture solar filter at the front. Seeing: 3-6/10.