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Contact information

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

Ursa Astronomical Association

NGC 4568 - 10.4.2021 at 23.31 - 11.4.2021 at 00.07 Janakkala Observation number 97529

Visibility III / V

Petri Kuossari, Riihimäen tähtit. yhdistys

I participated in this week’s Unistellar challenge on a heavenly safari! This challenge involves finding the animals that are currently visible in our night sky. Here is the butterfly galaxy NGC 4568



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Additional information
  • Observation target
    • Deep space object
  • Designation
    • NGC 4568
    • Keskitaso
  • Constellation
    • Virgo
  • Weather
    • Ei tuulta. -2°C
  • Darkness
    • Excellent
  • Seeing
    • Excellent
  • Galaxies
    • Spiral galaxy info

      Spiral galaxy is a stellar system where there are outwards arched spiral arms from roundish (spiral galaxies) or bar-shaped (barred spiral galaxies) central condensation.

      The apparent shape of spiral galaxied depends on out observation direction. From above they are quite round. From the side they lens-shaped with a bulge in the middle.

      Generally a rather large instrument, good weather conditions and observational expereince are needed to see spiral arms. Usually spiral galaxies look like a fuzzy spots.

      Spiral galaxy M33 in Triangulum. Image Tero Turunen.

       

      Andromeda Galaxy M31. There are also galaxies M110 (upper right corner) and M32 (lower left corner) in this image. Image Pekka Peura.

      M101 aka Pinwheel Galaxy in Ursa Major. Image Samuli Vuorinen.

       

      Spiral galaxy IC 342 aka Hidden Galaxy in Camelopardalis. Image Timo Inkinen.

      A sketch of spiral galaxy NGC 7331 in Pegasus. Image Juha Ojanperä.

Technical information

eVscope Exposure 36min Two first images processed with PhotoShop to reduce noise. Last image unprocessed.

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