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

Getting plate-solving status, please wait...
M51, apaquette
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M51

Equipment

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Acquisition details

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Description

M51 - The Whirlpool Galaxy

Taken 20090414

OTA: Planewave CDK 12.5

Camera: Apogee U16M

Mount: Celestron CGE Pro

Filters: Baader LRGB, Astrodon HA

Guided with MetaGuide

Exposures:

L: 200min @1x1

RGB: 40min each @2x2

HA: 240min @2x2

Processing:

Mostly home-grown software for calibration

Aligning done with MaximDL

DDP done with ImagesPlus

Photoshop used for color combine and HA enhancement.

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M51, apaquette