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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Moon - 21.12.2021 at 21.00 - 21.12.2021 at 21.15 Järvenpää Observation number 103292

Visibility IV / V

Eemil Pietilä, Ursa (Etelä-Suomi)

Although I photographed the moon itself for a maximum of a quarter, it took me at least an hour more to assemble and unload the equipment. Yes, my fingers pretty much froze when I had to take my gloves off in order to get a better grip.

Fortunately, it was worth it. About 150 images of the Moon have been stacked here and the image has been sharpened slightly. At first, I had to calibrate the colors to get off the red hue caused by the modified camera. After that, I raised the saturation to bring out the colors of the Moon’s minerals. Finally, adjusting the basic contrast and brightness was no longer enough.

Additional information
  • Observation target
    • Moon
Technical information

80mm Orion ST80-A lens telescope, F400mm (f / 5.0), 2x Barlow, Canon EOS 450D, ISO 100, 150 x 1/50 sec, iOptron SkyGuider Pro, Image processing: PixInsight and Photoshop

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