Newest observations

Contact information

Skywarden,
Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki
taivaanvahti(at)ursa.fi

Ursa Astronomical Association

NGC 1499 - 1.1.2022 at 21.30 - 1.1.2022 at 23.00 Järvenpää Observation number 103492

Visibility IV / V

Eemil Pietilä, Ursa (Etelä-Suomi)

The evening looked clear, so I decided to try the new Optolong L-eNhance multi-narrowband filter. The California fog seemed to be an easy destination to start with due to its relatively easy discoverability. Even though there is only about an hour and a half of exposure here, of which about 5 minutes is RGB, I got surprisingly good detail. Actually, the efficiency of the whole filter surprised me. I got more detail in the middle of town on a bortle scale in maybe 7 or 8 and a half hours than I did before shooting this subject in RGB in three hours. Unfortunately, that RGB data last time suffered from a strong “walking noise” phenomenon, so I couldn’t use it for that. Otherwise, I would probably have added it to this when it was taken with the same optics.



More similar observations
Additional information
  • Observation target
    • Deep space object
  • Designation
    • NGC 1499
  • Constellation
    • Perseus
  • 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

Narrowband: Canon EOS 1200D, Samyang 135 mm, f / 3.2, ISO 800, 30 sec x 150

RGB: Canon EOS 450D, Samyang 135 mm, f / 3.5, ISO 400, 30 sec x 10

+ iOptron SkyGuider Pro

Image processing: PixInsight and Photoshop

Send a comment

Comments are checked and moderated before publication If you want to contact the observer directly about possibilities to use these images, use the Media -form.

*

*

*
characters left

By sending in this comment I confirm, that I've read and understood the the observation system's privacy policy.