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Old 17-09-2020, 10:18 AM
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tornado33 is offline
Join Date: Jan 2005
Location: Newcastle, NSW, Australia
Posts: 3,998
Spare tyre nebula, IC 5148

Did this late last night. Used the Duo Narrowband clip filter in the EOS Ra. 7 x 10 mins iso 3200. 10 inch f5.6 Newtonian. Hand guided. The TS optics OAG is great, coma free round guide stars ahead of the Narrowband
filter. Guide star image highly magnified almost pixel accurate guiding as good as the seeing allows. Love view allowed accurate focus. This is a crop from the full frame image. Just O3 and HA light shown.
Astrobin here
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Last edited by tornado33; 17-09-2020 at 10:34 AM.
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