Celestial hemisphere:  Northern  ·  Constellation: Lynx (Lyn)
PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
PK 164+31.1 (Jones-Emberson 1) in bi-color
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PK 164+31.1 (Jones-Emberson 1) in bi-color

PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
PK 164+31.1 (Jones-Emberson 1) in bi-color
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PK 164+31.1 (Jones-Emberson 1) in bi-color

Equipment

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Acquisition details

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Description

This was a fun but challenging target. For the past two weeks, every clear night was a windy night, so I threw away most of my data from every session. This was also the first time I experimented with binning (as well as specifying coordinates in Stellarium instead of selecting a target).

Comments

Revisions

    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    Original
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    B
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    C
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    D
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    E
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    I
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    J
  • Final
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    K
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    L
    PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan
    M

B

Description: Bi-color in HA and O3. Tried to create natural looking stars by taking the O3, moving the levels to destroy actual nebula data (but leaving the stars intact) and using that. It wasn't entirely successful.

Uploaded: ...

C

Description: Added another 58 minutes of O3 in longer exposures.

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D

Description: Added some red data and green data - nowhere near enough. I think it added more noise than signal.

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E

Description: Added some binned O3. False green channel.

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I

Description: Used the same O3 stack for green and blue. It's still noisier than I'd like, but I'm getting tired of working on this subject. I'll try to get more hydrogen tonight, but the forecast calls for wind. If it doesn't work, I'll publish as is.

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J

Description: Added a few hours of Ha.

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K

Description: Just cropped it a little tighter to center it in frame better.

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L

Description: I've been going through my older images and seeing if what I've learned over the past 6 months can help me improve on my images. I'm realizing now that I didn't capture enough data for this one - it's too noisy. I'm going to have to point my scope at it again this winter. I can't say why exactly, but I love this target.

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M

Description: Mostly fixed an issue with the resolution as well as hot pixels.

Uploaded: ...

Sky plot

Sky plot

Histogram

PK 164+31.1 (Jones-Emberson 1) in bi-color, Chris Sullivan