Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  IC 4278  ·  M 51  ·  NGC 5169  ·  NGC 5173  ·  NGC 5194  ·  NGC 5195  ·  NGC 5198  ·  Whirlpool galaxy
M51 - First light CCD LRGB image!, Pam Whitfield
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M51 - First light CCD LRGB image!

M51 - First light CCD LRGB image!, Pam Whitfield
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M51 - First light CCD LRGB image!

Equipment

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Acquisition details

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Description

Splurged on a cooled mono CCD to better cope with summer DSLR noise and the local light pollution. Also switched to a mono guide-camera with native PHD2 support

First night at a dark site (albeit with the moon) fumbling around like a complete beginner again! A quick go at collecting some LRGB data to get the hang of processing - yet another fumbling effort!

Not much time to get real data after the messing around so

10x 180s L 1x1, -15oC

5x 90s RGB 2x2, -15oC

15x flats, -15oC

Didn't have the time for darks but didn't suffer from too much noise. Will collect some and re-process to see how much difference it makes...

I'm not too displeased :-)

Comments

Sky plot

Sky plot

Histogram

M51 - First light CCD LRGB image!, Pam Whitfield

In these public groups

Yorkshire Astro Imaging