Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457
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M101 LRGB+Ha, Mark Holbrook
M101 LRGB+Ha
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M101 LRGB+Ha

Getting plate-solving status, please wait...
M101 LRGB+Ha, Mark Holbrook
M101 LRGB+Ha
Powered byPixInsight

M101 LRGB+Ha

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Description

Unguided on Paramount MX+ using Hyperstar

50x45sec for RGB

205x45sec for Lum

80x90sec for Ha

I think its interesting to compare this image using 6.5 hours of data with my very first posted here which was done a year ago using a Canon 6D, guided on the same mount, using the .7 reducer using over 8 hrs of data.

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  • M101 LRGB+Ha, Mark Holbrook
    Original
  • Final
    M101 LRGB+Ha, Mark Holbrook
    B

B

Description: cropped

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M101 LRGB+Ha, Mark Holbrook