Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51 Whirlpool, Michael Southam
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M51 Whirlpool

Getting plate-solving status, please wait...
M51 Whirlpool, Michael Southam
Powered byPixInsight

M51 Whirlpool

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Description

Took advantage of a few semi clear nights a week before the new moon. Lucked out and managed almost 7 hours of exposure.

I started with a few 5 minute exposures at 800 ISO but had trouble maintaining round stars so dropped to 2.5 minutes at 1600 which worked well. The latter of which maintained the sub histogram about 1/3 from the left which seems to produce decent results. Still not able to guide any better than about 2 arc seconds on avetage which I put down to my mount.

Comments

Revisions

  • M51 Whirlpool, Michael Southam
    Original
  • M51 Whirlpool, Michael Southam
    B
  • M51 Whirlpool, Michael Southam
    C
  • M51 Whirlpool, Michael Southam
    D
  • M51 Whirlpool, Michael Southam
    E
  • M51 Whirlpool, Michael Southam
    F
  • M51 Whirlpool, Michael Southam
    G
  • Final
    M51 Whirlpool, Michael Southam
    H

H

Description: Re-stretch with new work flow

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M51 Whirlpool, Michael Southam