Telescopic comet Helin-Roman-Alu1 - 7.10.2015 at 00.38 Lumijoki Observation number 44112

Visibility II / V

Veijo Kallio, Oulun Arktos

Despite the lightened background of the northern lights, this comet distinguishes the tail in the image for at least a couple of arc minutes. In addition, numerous small and low-light galaxies stand out in the background; at the bottom right is IC 1681, m = 14.8 and at the bottom left is an elongated faint LED 90541, m = 16.3. In addition, the galaxy LEDA 144077, just to the left of the comet, is named in the Sky map.

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

3 5

Additional information

Observation target
- Comet
Name of the observation target
- 117P/Helin-Roman-Alu1
- Heikosti näkyvä
Tail length
2 arc minutes

Weather
- Revontulipurkausten laannuttua taustataivas jäi vielä vaaleahkoksi
Visibility of the comet
- Telescopic comet

Technical information

Newton 40cm / 3.1 (Coma corrector + Reducer), CCD Atik 314L +

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Telescopic comet Helin-Roman-Alu1 - 7.10.2015 at 00.38 Lumijoki Observation number 44112