Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 3  ·  NGC 5272
M3, Charles Harris
M3
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M3

M3, Charles Harris
M3
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M3

Equipment

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Acquisition details

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Description

First effort with ES 80/102 piggyback setup. Guiding was perfect. Flats shot at 34C. Bias shot at 3C. Won't be doing that again. Could not get PNS to remove bias streaking without degrading image further. Anyone who knows how to fix this, I would be grateful. Mangled stars result of focuser off plane. Fixed prior to RGB session. Satisfied with the effort for the most part otherwise.

Comments

Revisions

  • M3, Charles Harris
    Original
  • M3, Charles Harris
    B
  • M3, Charles Harris
    C
  • Final
    M3, Charles Harris
    D

B

Description: Noticed the greens..applied SCNR.

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C

Description: One more green adjustment on background.

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D

Description: How many background adjustments does it take to screw in a light bulb...?

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Sky plot

Sky plot

Histogram

M3, Charles Harris