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Haven't been on here for a while but since I image from just outside Horncastle I thought it was appropriate to show how lucky some of you are with your rural skies...instead of my usual light polluted Leeds sky which I don't bother to image under to be honest.


Baader modified Canon 6D at ISO 1600
Canon 500mm f/4 L IS lens at f/4
Avalon Instruments M-Zero
Polar Alignment using homemade PoleMaster
PHD2 for guiding using QHY5L-II-M and QHYCCD MiniGuideScope
APT for image acquisition, GOTO++, framing, plate solving, and dithering.
SQM (according to Unihedron SQM-L) was ~20.77.


Total of ~120 subs of varying quality of 300 seconds each (totalling ~10 hours)



Just the core:




Full frame:



Thanks for looking!

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28 minutes ago, Ron Clarke said:

That's very impressive Stuart, great detail and nice star shapes. Did you include darks etc..??

Hi Ron, I don't use darks anymore as I dither the subs, however I still use flats and bias frames.

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2 hours ago, Graham said:

That is very impressive.

What if any filters are you running on that set up.

Hi Graham,


I was only using an IDAS light pollution filter however I won't be in the future as the street lights in Baumber have been changed from sodium to LED.

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