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Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Sun - 6.3.2012 at 14.00 Rautalampi Observation number 2495

Visibility III / V

Vesa Vauhkonen, Ursa (Itä-Suomi)

I also had to erect an old war horse with a TAL1 solar filter. Pictured are comma groups in a quarter of a solar disk, photographed by hanging the camera with the hand on top of the eyepiece. The image required considerable brightness, contrast, and color processing to refine the details.


Additional information
  • Observation target
    • Sun
    • Keskitaso
Technical information

TAL 1, JS-Astrosolar full orifice filter, paperback Casio Exilim EX-ZR100, post-processing: Photoshop.

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