This was an initial image of the Horsehead Nebula (Barnard 33) and the Flame Nebula (NGC 2023) taken in 35 nm H-alpha filter that I was planning on trying a composite HaRGB, but the clouds have rolled in so don't know when I will get back to it, so thought I would see what the Ha looks like on its own.
The filter used is a Baader Planetarium #2458380 mounted on the front of the RASA 11, I did not remove the clear glass optic from the RASA and might go back and try again without it to see how much difference it makes.
I had a few issues getting this image as I had a number of technical problems with the equipment and lost 2 clear nights due to mount / guiding / software problems which I touch on briefly in the video.
PHD2 kept losing guide camera
Mount / CPWI locked up
Mount stopped tracking, CPWI showed tracking disabled
PHD2 couldn't adjust RA sufficiently.
Equipment Used
Celestron CGX
Celestron RASA 11
ASI2600MC-P colour camera
ASI120MM mono guide camera
ZWO 60/280mm guidescope
Baader 35nm Hydrogen Alpha Filter (2" #2458380)
Software
Astrophotography Tool: https://www.astrophotography.app/
DeepSkyStacker: http://deepskystacker.free.fr/
PixInsight: https://pixinsight.com/
The computer desktop background (Lochaber at Night) is by Mark Hamilton Gillies of https://www.facebook.com/MarkHamiltonGilliesPhotography/
Don't forget my facebook astro page is at https://www.facebook.com/daves.astrophotography/
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Thanks and Clear Skies,
Dave
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