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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

M84, M86, M87, M90, NGC 4388, NGC 4438 - 1.4.2017 at 00.20 - 1.4.2017 at 00.40 Orimattila, Artjärvi, Tähtikallio Observation number 62934

Visibility IV / V

Toni Veikkolainen, Keski-Uudenmaan Altair

After Jellona, it was Virgo in my turn. I cropped the image so that in addition to the center of the set, the Markarian chain and also the bright galaxies to its east can be seen. Most of the bright galaxies are elliptical, and there are no handsome spiral galaxies. Irregular galaxies are not found either. I intended to illuminate this area for half an hour, but for one reason or another the tripod had moved or had been moved in the middle of the exposures, so the screens in the final stage went to the trash.

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Additional information
  • Observation target
    • Deep space object
  • Designation
    • M84, M86, M87, M90, NGC 4388, NGC 4438
    • Näyttävä
  • Constellation
    • Virgo
  • Weather
    • Hieman pilvisyyttä horisontin lähellä, kuunsirppi jo laskenut
  • Darkness
    • Good
  • Seeing
    • Good
  • Limiting magnitude
    • 6
  • Galaxies
    • Galaxy cluster info

      In a galaxy cluster there are tens or hundreds of galaxies. Typically a moderate big instrument is needed to see galaxy clusters.


      The galaxy cluster Hickson 44 in Leo in composed of four galaxies. Image Timo Inkinen.

    • Elliptic galaxy info

      Elliptic galaxy is an oval or roundish shaped distant stellar system, which have no spiral arms. These galaxies look as fuzzy spots with telescopes.


      The elliptic galaxy Centaurus A aka NGC 5128 in the middle of image is splitted by a dust lane. Image Toni Veikkolainen.

    • 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

Canon EOS 600D mod + Nikkor 300mm f / 2.8, total exposure 18 min, tracker Astrotrac TT-320X

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