The Crab Nebula - M1 - SHO-RGB and HOO - Pier 1

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simonnickydowning

Tuesday, 02 February 2021

4 Replies

256 Visits

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I thought I would quickly post these two versions of the same object. The RGB colour channels did not quite align properly on the SHO-RGB, in spite of checking - there must be an error I made somewhere along the line. I do not have the time to redo it. With all that said, I am really pleased with the detail this scope and its set up, gathers. I used 6 blues, 12 greens and 14 reds, plus 20 Has, 18 OIIIs and 24 SIIs - all at 10 minutes exposure length. This means the SHO-RGB image was 15 hours and 40 minutes and the HOO version was 6 hours and 20 minutes. Have a good day everyone... I am in a rush. Simon

[attachment]CrabSHO-RGBPier1_2021-02-02.png[/attachment]

[attachment]CrabHOOPier1_2021-02-02.png[/attachment]

Phil

3 years ago

#2467

Votes

Undo

Very nice Simon

Phil McCauley
Roboscopes Website Admin

petershah

3 years ago

#2468

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Undo

Grea renditions Simon...I'm not sure which I like the best.

Peter Shah - Collimation & Telescope servicing.
Visit my personal imaging website at astropix.co.uk
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Contact: pete@ccdimaging.co.uk

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Peter Shah
Roboscopes Observatory Controller

simonnickydowning

3 years ago

#2469

Votes

Undo

Thanks a lot Phil and I hope you've had a good day and you are well...

simonnickydowning

3 years ago

#2470

Votes

Undo

thank you for your input once more Peter. Yes it's difficult to know which one would be my preference but I've never quite entirely liked full narrowband images of the crab nebula. I am not really sure why, so I guess I would probably p
pick the HOO. Tough to call though... Have a good night.