Telescope/Lens:Explore Scientific 102mm ED APO triplet FCD100
Camera:QHY183M
Mount:EQ6R pro
Guide Scope:QHYOAG
Guide Camera:QHYIII290C
Software:EQMOD, SGP, Sharpcap, PHD2, Pixinsight
Accessories:Stellarvue 0.8 FF&R
Red zoneLight Pollution:
Beachwood, United States
Dec 1st, 2020
1718
8
I'm experimenting with captured data of the Andromeda Galaxy, M31. Usually, the galaxy's core is heavily overexposed, even when shooting with a narrowband H-alpha filter. However, if you subtract the signals from the RGB filters from the H-alpha signal, interesting structures become visible, such as dust swirls formed by the collision between M31 and M32. These structures were first discovered by the Spitzer Space Telescope in 2006, and I managed to photograph them with a 102mm refractor from my backyard.
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