Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  HD13590  ·  HD13686  ·  HD13734  ·  HD13757  ·  HD13771  ·  HD13798  ·  HD13799  ·  HD13830  ·  HD13864  ·  HD13898  ·  HD13899  ·  HD13909  ·  HD13966  ·  HD14011  ·  HD14025  ·  HD14037  ·  HD14061  ·  HD14124  ·  HD14142  ·  HD14161  ·  HD14172  ·  HD14173  ·  HD14183  ·  HD14209  ·  HD14217  ·  HD14218  ·  HD14242  ·  HD14299  ·  HD14311  ·  HD14320  ·  And 123 more.
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Heart Nebula Ha, pfile
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Heart Nebula Ha

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Heart Nebula Ha, pfile
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Heart Nebula Ha

Equipment

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Acquisition details

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Description

Heart nebula - stt-8300m + 5nm astrodon Ha + canon 200 f/2.8L @ f/2.8

focus is difficult at f/2.8 but since the lens only has to focus one frequency, it's possible to use it wide open and get sharp stars. with OSC i used to run this at f/4.

rev B with 5 more frames (+25min) and background extraction

Comments

Revisions

  • Final
    Heart Nebula Ha, pfile
    Original
  • Heart Nebula Ha, pfile
    B

Sky plot

Sky plot

Histogram

Heart Nebula Ha, pfile

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Cloudy Nights