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The Witch's Broom, 



The Witch's Broom

Technical card

Imaging telescope or lens:SkyWatcher 150/750

Imaging camera:Canon EOS Rebel XSi

Mount:SkyWatcher EQ6-SynScan

Guiding telescope or lens:Orion 50 mm Guide Scope

Guiding camera:Orion StarShoot

Software:O'Telescope BackyardEOSPHD 2

Filter:Astronomik Clip CLS CCD

Dates:Sept. 18, 2014Aug. 9, 2015

53x120" ISO1600
8x300" ISO1600

Integration: 2.4 hours

Avg. Moon age: 24.49 days

Avg. Moon phase: 26.15%

Basic astrometry details job: 728925

Resolution: 3244x2408

Locations: Maison, Laval, Québec, Canada


NGC6960, the Witch's Broom from my backyard in heavy light pollution.

Sooooo.... A few nights ago, I was making my first light test with my autoguider on NGC6960. As usual, clouds showed up and kinda ruined my night, but I was able to salvage 40 minutes of data. When I looked at the raw pictures, I was surprised that the blue filaments were visible. Since last summer when I started using a light pollution filter (Astronomik CLS-CCD), I found out that it kinda killed the blue signal. I was pretty bumed, but kept using it since it gave me a huge improvement on the backgroud sky. Apparently, with 300s exposures, blue and green are finally showing up on my raw files! Yeah!

40 minutes of exposure weren't enough to make a good job, so I also used about 90 minutes of exposure that I gathered last September.

It's not perfect, but enjoy!
Clear skies!



License: None (All rights reserved)


The Witch's Broom, 



Made possible by

O'Telescope BackyardEOS