Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  NGC 5730  ·  NGC 5731  ·  Whirlpool Galaxy
M51 (Whirlpool Galaxy), Larry Lart
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M51 (Whirlpool Galaxy)

M51 (Whirlpool Galaxy), Larry Lart
Powered byPixInsight

M51 (Whirlpool Galaxy)

Equipment

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Acquisition details

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Description

A quick processing, could probably be done way better, I'm still learning my way around PI.

Dropped most of the magenta to enhance the dust lanes.

320 x 180s luminance, 60 x 180s RGB each, 15x5m HA

4x 20 flats each night, 2x 40 darks & 40 dark flats.

Lacerta Newton 250 f4/1000mm , ZWO ASI1600mm at -15deg, Astronomik LRGBHA 36mm filters, iOptron CEM70. Guided OAG/ASI290m. Stacked with DSS and processed with PixInsight.

Backyard, town/Bortle 5

Comments

Revisions

    M51 (Whirlpool Galaxy), Larry Lart
    Original
    M51 (Whirlpool Galaxy), Larry Lart
    B
  • Final
    M51 (Whirlpool Galaxy), Larry Lart
    C
    M51 (Whirlpool Galaxy), Larry Lart
    D

D

Description: Attempt to x2 drizzle without Ha, same date. It need double the signal to extract more detail.

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Sky plot

Sky plot

Histogram

M51 (Whirlpool Galaxy), Larry Lart