M81 and M82 Galaxies in LhaRGB

Posted by STAstro
on Monday, April 9, 2018

I finally have an updated LHaRGB Image of my previous luminance on M81 and M82, new learning curve was the HDR Compose process in PixInsight, I used this to include the 300S Exposures I had previously that were burning out the core, I may try and get some 60S exposures to narrow the core down even further, but here it is so far:

Target: M81 and M82 Galaxies in Ursa Major

Image Details:
101x150S in LRGB, Total 16.83 Hours
25x300S in LRGB, Total 8.33 Hours
25x600S in Ha, Total 4.16 Hours
Total exposure time: 29.32 Hours
BIAS, Darks and Flats subtracted

Equipment Used:
Imaging Camera: Qhyccd 183M Back Illuminated ColdMOS Camera at -20C
Imaging Scope: Sky-Watcher 8" Quattro F4
Mount: Sky-Watcher EQ8 Pro
Guide Camera: Qhyccd QHY5L-II
Guide Scope: Sky-Watcher 90x50 Finder
Filter Wheel: Starlight Xpress Ltd 7x36mm EFW
Filters: Baader Planetarium LRGB + 7nm Ha

Software:
Image Acquisition: Main Sequence Software SGPro
Image Processing: PixInsight

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