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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

NGC 1499 - 29.12.2018 at 19.30 - 29.12.2018 at 20.15 Alavus Observation number 79961

Visibility Unclassified

Jukka Koivisto, Suomenselän Pegasus

Headlights from California fog. You can't get married from these unmodified cameras, but something like that when you tear enough. These winter skies but sheds to be so bright that the 2 minute exposure was pretty maximum.

More similar observations
Additional information
  • Observation target
    • Deep space object
  • Designation
    • NGC 1499
    • Luokittelematon
  • Darkness
    • Average
  • Seeing
    • Average
  • Nebulae
    • Emission nebula info

      In an emission nebula the hot stars nearby cause the gas glow. This should not mix with reflection nebula, where the gas is only lit up by nearby stars.

      The appearance of a gas nebula is irregular, and the fainter parts of it need bigger instruments to be visible.


      Emssion nebulae in Cepheus. The bigger part is composed of the nebulae Cederblad 214 (Ced214) and NGC 7822. The lower round nebula is called Sharpless 170 (Sh2-170). Image J-P Metsävainio.


      The Orion nebula. Image Samuli Vuorinen.


      In this 4-degree-field there are emission nebulae Sh2-157, Sh2-158, Sh2-159, Sh2-161 and Sh2-162 (or NGC 7635 aka Bubble Nebula) and open clusters M52 and NGC 7510. Image Juha Kepsu.


      NGC 281 aka Pacman Nebula. The object is in Cassiopeia. Image J-P Metsävainio.


      NGC 896 in Cassiopeia is the tip of Heart Nebula (IC 1805). Image Timo Inkinen.

Technical information

Canon EOS 70D + 300/4 + Astrotrac TT320X-AG, 20x2 min, ISO 800

Comments: 2 pcs
Lauri Turunen - 31.12.2018 at 20.32 Report this

Hyvin on napatähtäys onnistunut, kun on todella terävä kuva, vaikka valotusaika on kohtuu pitkä.

Jukka Koivisto - 31.12.2018 at 21.00 Report this

Harvoin olen suuntauksen saanut / jaksanut säätää niin hyvin kohdilleen kuin tässä kävi. Olisi voinut ottaa helposti 5 minuutin valoja jos kelit olisi sallinut. PHD:n käppyrästä katsottuna virhe oli alle 2 kaarisekuntia per 5 minuuttia eli pienempi kuin pikseli kennolla.

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