Celestial hemisphere:  Southern  ·  Constellation: Puppis (Pup)  ·  Contains:  M 46  ·  NGC 2437  ·  NGC 2438
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Wolf Moon M-46, Ron Crouch
Wolf Moon M-46
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Wolf Moon M-46

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Wolf Moon M-46, Ron Crouch
Wolf Moon M-46
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Wolf Moon M-46

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Description

M-46 is one of my favorite clusters visually with the nice planetary nebula NGC 2438 (about 1.3 arc-min in diameter) living inside. Last night I shot 24x60s subs each R.G&B with the nearly full moon not far away. Processing was very basic.. 2nd order ABE on each color, make RGB, neutralize background, then run PCC for color balance. After that just a masked stretch and slight tweak of levels. No sharpening or noise reduction was used. Near left border just below centerline is another much more faint planetary nebula - I think SAC PK 231 + 4.1 which would be at 14.4 magnitude.

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  • Wolf Moon M-46, Ron Crouch
    Original
  • Final
    Wolf Moon M-46, Ron Crouch
    B

B

Description: Increase exposure to 216min from previous 72min. Also did a 2x drizzle integration and reduced size by 20% from there. Quite a bit deeper this time!

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Wolf Moon M-46, Ron Crouch