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IC2177 part of the seagull nebula

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Image comprised of: 15x 300s subs with an ASi533 OSC Pro cooled to -12°C. With an IDAS NB-1 filter.

Celestron RASA 8 on an iOptron CEM60 standard, guided via PHD2 dev3 or 4?

Captures using SG Pro

Processing with PixInsight.


Edited by fwm891
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Posted (edited)
1 hour ago, PaulE54 said:

Nice capture Francis. How are you finding the NB1? 


Thanks Paul - re the NB-1, I'm really liking the NB-1 with the RASA 8, the colours are slightly more mutted (pastel?) compared with pure narrow band single filtered images. I guess that's because it's not quite suited to the f2 image cone produced by the RASA. It's combination with the 533 OSC though I can't fault.

IDAS make an NBX filter which would suit the RASA's f2 cone - but pricey!

Edited by fwm891
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