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Ursa Astronomical Association

All-sky aurora - 27.2.2014 at 19.00 - 28.2.2014 at 02.00 Jyväskylä, Nyrölä Observation number 22482

Visibility V / V

Arto Oksanen, Jyväskylän Sirius

The northern lights were left behind the clouds this time, but their green light illuminated so much that they are clearly visible in a keogram composed of images from the Nyrölä Observatory's automatic AllSky camera (time 00-00 UT as a horizontal axis, south-north as a vertical axis). In the second picture, all the pictures taken during the day.

More similar observations
Additional information
  • Aurora brightness
    • Can only be seen in photos
  • Observed aurora forms
    • Form not identifiable info

      Form not identifiable
      Sometimes auroras have to be observed in such poor conditions that it is not possible to reliably identify the shape even if for example the structure and conditions could be recognized. Such a situation could be the outcome of for example alight background sky, cloud cover or a covered horizon.

  • Colors with unaided eye and other features
    • Green auroras info

      Green, seen with the naked eye, is one the most common colors of the aurora. The green color is derived from atomic oxygen.

      Green auroras. Lea Rahtu-Korpela.

      Green auroras. Photo by Juha Ojanperä.

Technical information

Canon EOS 350D, Samyang 8mm fisheye, auto-changing shutter speed, images every 5 minutes.

Comments: 2 pcs
Janne Kari - 28.2.2014 at 10.53 Report this

Me tuolla porukalla illalla katseltiin (ja naureskeltiin) tuota nyrölän kuvaa kun se oli aivan täysin vihreä :)

Hieno tapa raportoida "huono" ilta!

Marko Pekkola - 28.2.2014 at 20.34 Report this

Samaa mieltä, todella kekseliäs, hieno havainto.

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