Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  HD122865  ·  M 101  ·  NGC 3216  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
M101, Rouz Astro
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M101

M101, Rouz Astro
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M101

Equipment

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Acquisition details

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Description

First LRGB with the CDK + AP Reducer

Limiting data capture to 6hrs (single night).

I was only able to get 8 x 4min per RGB filter.

This reducer is not ideal and the Planewave reducer was ordered later.


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The Pinwheel Galaxy (M101 or NGC 5457) is a face-on spiral galaxy.

Its almost twice our milkyway galaxy, 170,000 light years across and 1 Trillion stars! 21 million light-years from Earth.

Equipment

Optics: Planewave CDK12.5, 318mm, f/6.5, 2066mm

Camera: QHY268m (mode1, gain:56, offset:40)

Comments

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M101, Rouz Astro

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