Quiet aurora band - 4.11.2018 at 21.49 - 4.11.2018 at 22.35 Nokia Observation number 79124

Visibility II / V

Harri Hedman

The SAR northern lights arc was really well visible.

Photographed in Nokia in Suoniemi Kulju

It was more visible in the West, perhaps due in part to less light pollution.

image _C3A1282 is from a different point in the direction of the northwest .n 500m from other images.

This description has been automatically translated from Finnish. Click here to see the original text.

19 18

Additional information

Aurora brightness
- Very dim auroras
Observed aurora forms
- Stable Auroral Red (SAR) arc
  
  The Stable Auroral Red arcs (SAR arcs) are usually clearly distanced to the south from the aurora oval and is a very opaque and normally red ribbon. In most cases SAR arcs are only visible in the photo or on the liveview screen of the SLR camera. Using a camera with very high sensitivity is the best method for capturing these faint arcs. The arch usually settles between east and west.
  
  A stable red arc of aurora is a rare phenomenon. In some rare occasions, several SAR arcs may be simultaneously visible.
  
  The first SAR arcs of the Skywarden were observed on nights between November 3-4. and 4-5. days in 2015 in the latitudes of central Finland.
  
  SAR arc photographed by Lasse Nurminen 2018. Observation of the Skywarden 79113.

Technical information

In the pictures 2-30 sec. exposure ISO 1600-12800 f / 2.8 - 3.2

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Quiet aurora band - 4.11.2018 at 21.49 - 4.11.2018 at 22.35 Nokia Observation number 79124