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Selling my full narrowband set up for multiple reasons: I could do with the money and mono just isn't really doing it for me.
Altair Astro 183m Tec
Baader Narrowband filters (Ha, OIII, SII and Clear)
ZWO Electronic Mini Filter Wheel
All associated cables/plugs
T2 extensions to reach 55mm back focus for use with reducers
Boxes and cases
There is a scratch on the T2-T2 adaptor for the filter wheel and a couple of the labels on the filter boxes have been torn. But otherwise the important parts work perfectly well.
Collection or postage via DPD.
Buyer to pay postage and PayPal fees.
No offers currently accepted, and I would rather not split
This has been my project since the start of this season and now I think I´ll just leave it... for now 😉
I started last season (with a longer FL) but didn´t like how my Baader O3 filter matched the Astrodon Ha filter, so now I had to get a 3nm O3 as well.
This is a total of:
60*5 minutes of 3nm Ha
114*5 minutes of 3nm O3.
Shot with a ZWO ASI1600MM-Cool and a Canon 300/4L IS tele lens. The lens suffers from bad star shapes in the corners but I managed to get it decent anyway. Didn´t want to stop it down from f/4 either.
Combined as a semi-RGB (or what to call it) from R=Ha, G=70%O3+30%Ha, B=O3. Processed it as LRGB using a combined Lum from 60% Ha L and 40% O3 L.
I am really happy that I finally feel satisfied with a target! Usually I just get restless and move on when half of the data is collected.
Hope you like it!
THIS ITEM HAS NOW BEEN SOLD.
This listing is for my personal narrowband filters (Kayron from Light Vortex Astronomy). They are the Astrodon Hydrogen-Alpha (HA), Oxygen-III (OIII) and Sulphur-II (SII) 3nm 1.25" narrowband set. These are considered the highest-end narrowband filters money can buy, able to produce images of exceptional quality and incredible sharpness, cutting through a vast amount of light pollution. The 3nm variants featured here are fantastic for pulling out fine nebulous structures clearly above background. For more information, please see Astrodon's website:
Please note that these three filters together currently retail at just over £1,710 from UK suppliers, €2,180 from European suppliers or $1,690 from US suppliers. Payment is preferred via bank transfer but PayPal is OK with an extra 2.9% to cover PayPal fees. I'll cover postage to you via tracked Courier.
I welcome any questions you may have regarding this listing. Thank you for looking.
The bubble nebula. Not much to add about the target itself as it is already popular enough.
A combination of HOO shot with the ASI1600MMC + Astronomik narrowband filters through the 200mm newtonian tube removed from the dobson base and put on the EQ6-R.
About 6h of exposure through the Oxygen filter and about 9h through the Hydrogen filter.
Clicking on the pictures will redirect to the astrobin images where you can watch them in full resolution.
Thanks for watching and clear skies to you too!