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Contact information

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

Ursa Astronomical Association

IC 1805, IC 1848 - 13.9.2018 at 23.07 - 13.9.2018 at 23.48 Mänttä-Vilppula Observation number 94107

Visibility III / V


The heart and soul fog stood out moderately well with a digital harrow at a focal length of 135mm. Subsequent exposures are then with longer optics, and it was not worth inoculating them here.



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Additional information
  • Observation target
    • Deep space object
  • Designation
    • IC 1805, IC 1848
    • Keskitaso
  • Constellation
    • Cassiopeia
  • 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

Fuji X-T1, Samyang 135mm F2, 79x30s, ISO1600.

Comments: 2 pcs
Vesa Vauhkonen - 7.10.2020 at 00.30 Report this

Hieno. Millä pinosit?

Jukka Laakso - 7.10.2020 at 09.02 Report this

Kiitos! Nopsaa Siriliä olen parin vuoden aikana käyttänyt pinoamiseen. Uusimmassa betassa parempi tuki Fujille. Kalibrointi toimii nyt kunnolla. Välillä kokeilen Regimiä Sirilillä kalibroituun satsiin. Sen SD-pino on toisinaan parempi kuin Sirilin sigmatyyppiset pinot.

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