Contact information

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

Ursa Astronomical Association

Sun - 27.8.2021 at 17.17 Rautalampi Observation number 100741

Visibility III / V

Vesa Vauhkonen, Sisä-Savon Ursa

The sun also showed up. I tuned to the stand of an old super zoom with the Neutral Density Filter (attenuation 1/100000). As many as 10 image stack, 100% stack.

The comma structures stand out reasonably well, even though the image is pretty much crumpled.

Color and mv versions.


Additional information
  • Observation target
    • Sun
Technical information

Powershot SX50 HS, Marumi ND100000, 10 photos: Registax. Photoshop CC.

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