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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

NGC 7023 - 21.3.2023 at 22.50 - 22.3.2023 at 03.39 Rautalampi Observation number 113620

Visibility II / V

Vesa Vauhkonen, Sisä-Savon Ursa

Someone has swept some of the dust from space around the Iris Nebula. A bit tricky to shoot with an osc camera and a light pollution filter. Light exposures for 4.25 hours. EDIT: Added version with calibrated star colors.

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Additional information
  • Observation target
    • Deep space object
  • Designation
    • NGC 7023
Technical information

Esprit 100ED, ASI294MC Pro, Optolong L-Pro. 51 x 5 min lights, 24 x 5 min darks. Astro Pixel processor. Photoshop.

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