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Bubble Nebula
About this observation
Observer
David Swan
Time of observation
10/08/2017 - 22:51
Object
Bubble Nebula, NGC 7635
Observing location
Tynemouth, UK
Equipment
Scope: 200mm SCT at f/6.3
Camera: ASI178MM. Baader UV/IR cut
Software: Firecapture and DeepSkyStacker
Camera: ASI178MM. Baader UV/IR cut
Software: Firecapture and DeepSkyStacker
Exposure
100 x 5s subs
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Midpoint of capture 21:51 UT, 22:51 BST
This evening I had the 16bit box ticked in Firecapture. Wow, what a difference! The computer often crashes when stacking though.
* Correction: it is a 14bit output from the camera
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Comments
Lovely.
Lovely.
Impressive amount of data given this is just 8 minutes with a CMOS sensor. Are you going to add more data to it? Why did you only go for 5 second exposures and not longer?
Exposure time
Hello - thanks. Yes, I seem to remember the wind was gusting that evening in my yard, so I decided to do much shorter exposures than I am able to do. This meant of course that I could just discard subs that were affected by movement of the rig. I do have RGB filters, so I must add colour to luminosity when I have the time! David