Celestial hemisphere:  Northern  ·  Constellation: Leo (Leo)  ·  Contains:  NGC 3628
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NGC 3628 - double stacked, Tom Gray
NGC 3628 - double stacked, Tom Gray

NGC 3628 - double stacked

Revision title: Combined data (synthetic L) RGB from my 183C OSC

Getting plate-solving status, please wait...
NGC 3628 - double stacked, Tom Gray
NGC 3628 - double stacked, Tom Gray

NGC 3628 - double stacked

Revision title: Combined data (synthetic L) RGB from my 183C OSC

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Description

I don’t know how you like your burgers 🍔 single or double stacked?

Another image combining over 5 hours data from different cameras and focal lengths. Luminance from my DSI III Pro mono at f3 using my SCT last year, and RGB data from my Altair 183C at f10 this year. 

The quality of the data varies and I think there is room to improve this by limiting to the best subs - it is easy to get carried away with the relish! 

UPDATE: The mouseover shows data captured at f3 using my Altair 183 OSC (revision C)

Comments

Revisions

  • NGC 3628 - double stacked, Tom Gray
    Original
  • NGC 3628 - double stacked, Tom Gray
    B
  • NGC 3628 - double stacked, Tom Gray
    C
  • Final
    NGC 3628 - double stacked, Tom Gray
    D

B

Title: A wider field using f3 data

Description: Using data taken at f3 from my mono CCD camera last year and OSC this year. L=24x120s_48m + 11x300s_55m (1x1) and RGB= 28x120s_56m (2x2)
I have stretched this much less aggressively and improved the colour balance.

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C

Title: Mono version

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D

Title: Combined data (synthetic L) RGB from my 183C OSC

Description: Processing data taken at f3 and f10 using my Altair Astro 183C CMOS OSC comprising RGB=f3_26x120s_56m plus f10_31x180s_93m and 18x300s_90m. Total integration = just under 4 hours. Processed as (L)RGB using Startools. I think this less stretched image has better definition and colour balance.

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Sky plot

Sky plot

Histogram

NGC 3628 - double stacked, Tom Gray