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Author Topic: My first deep sky LRGB image M51  (Read 1605 times)

james_screech

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My first deep sky LRGB image M51
« on: April 20, 2020, 12:19:16 pm »
My first LRGB deep sky image. Atik 414ex, ZWO LRGB filters & ED70 (f6) telescope. Captured with APT, processed in DSS & PS. 35 x 3min subs in each filter, dark, bias and flat corrected.

I have done DSLR deep sky in the past (a few years ago) but not mono CCD & LRGB. Not great processing the brighter stars have a blue halo that could do with some work, but I'm pleased for a first attempt at processing. I'll spend some more time playing with it when I get the time.

James

CraigG

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Re: My first deep sky LRGB image M51
« Reply #1 on: April 20, 2020, 01:09:13 pm »
Nice James!

What mount are you using to get the 3 minute subs?

Craig

james_screech

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Re: My first deep sky LRGB image M51
« Reply #2 on: April 20, 2020, 01:29:01 pm »
I was using a Celestron AVX and guiding with a finder/guider.

James

CraigG

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Re: My first deep sky LRGB image M51
« Reply #3 on: April 20, 2020, 02:42:34 pm »
Thanks James!
-Craig

Zuhayr

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Re: My first deep sky LRGB image M51
« Reply #4 on: April 22, 2020, 07:03:23 pm »
I've been looking at my star charts to try to figure out what the edge-on galaxy in the upper left of the picture is. Do you know?
« Last Edit: June 01, 2020, 10:31:14 am by vince »

james_screech

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Re: My first deep sky LRGB image M51
« Reply #5 on: April 23, 2020, 04:45:26 pm »
I've been looking at my star charts to try to figure out what the edge-on galaxy in the upper left of the picture is. Do you know?

I see an edge-on galaxy to the lower right not upper left, I think it's IC4263, it's distance is about 40 Mpc (varies in different sources) I haven't been able to find a V magnitude.

James

james_screech

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Re: My first deep sky LRGB image M51
« Reply #6 on: May 02, 2020, 04:22:40 pm »
Added a second night's data so now 65 x 180sec for each filter and re-processed a bit more carefully.

CraigG

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Re: My first deep sky LRGB image M51
« Reply #7 on: May 02, 2020, 09:33:06 pm »
Beautiful James!
-Craig

Shumakes

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Re: My first deep sky LRGB image M51
« Reply #8 on: May 20, 2020, 04:58:03 pm »
M51 is described mostly as a Sbc-type galaxy. The beautiful spiral pattern shows arms of young, blue stars, interwoven with dust lanes. The center has an oval ring of blue knots, somewhat resolved in my image
« Last Edit: June 01, 2020, 10:16:35 am by vince »

vince

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Re: My first deep sky LRGB image M51
« Reply #9 on: June 01, 2020, 12:00:33 pm »
Looking very nice James,

The 414 is a very capable camera. If you get a chance to get an Ha filter you will really see the difference between a colour DSLR and a cooled mono CCD camera.

Vince

jenianna

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Re: My first deep sky LRGB image M51
« Reply #10 on: August 18, 2020, 08:16:57 am »
look so nice jame
run 3

vermamanu8

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Re: My first deep sky LRGB image M51
« Reply #11 on: April 13, 2021, 03:58:17 pm »
I've been looking at my star charts to try to figure out what the edge-on galaxy in the upper left of the picture is.