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Ursa Astronomical Association

Sh2-101 - 22.9.2021 at 00.00 - 22.9.2021 at 03.00 Kangaslampi Observation number 101421

Visibility III / V

Erik Pirtala, Warkauden Kassiopeia

I finished the tulip mist I had long and earnestly exposed. Since the beginning of September, I have taken advantage of twilight and full moon hours (even a little dark) for 15.5 hours. H-alpha came by far the most (7.7) hours. Oxygen and sulfur channels remained weaker. The stars are again described separately with RGB filters. In other words, a familiar technique to yourself with a new item.

The tulip itself was pretty fun to handle. For me, the salt of the species is such bright golden mist areas. The dimmer mists in the background were then more challenging because they didn’t really contain anything other than H-alpha so the shades tended to be forcibly flat.

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  • Observation target
    • Deep space object
  • Designation
    • Sh2-101
Comments: 1 pcs
Pekka Parviainen - 26.9.2021 at 23.22 Report this

Ootte te deep-sky -hemmot melkoisia. Vautsi! Ekaksi luulin leväväreiksi lätäkön pinnalla, mutta olikin kaasua kauempana. "Väärät värit" mutta on se kaunis.

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