Celestron C6R refractor with HA filter ...
Celestron C6R refractor with HA filter ...
Hi all, I´m new here and would like to lissen your comments about put a lunt LS60F or coronado SM II 90mm filter in front of the C6R objective, the focal lenght is 1200mm f/8 and will use lunt B1200 or coronado BF15 together, the adapter is not the issue, just the best choice for this system: coronado 90mm with central obstruction or lunt 60mm unobstructed? thanks a lot.
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Re: Celestron C6R refractor with HA filter ...
Hi Fabricio
welcome to that wonderful TOS free site. You will be happy with eighter of the filters. IMHO I would go with the bigger aperture
welcome to that wonderful TOS free site. You will be happy with eighter of the filters. IMHO I would go with the bigger aperture
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Re: Celestron C6R refractor with HA filter ...
Welcome! Go with the 90mm
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Re: Celestron C6R refractor with HA filter ...
Another vote for the larger etalon....
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Re: Celestron C6R refractor with HA filter ...
A very warm welcome! I would also vote large!
Regards
Alexandra
Regards
Alexandra
Re: Celestron C6R refractor with HA filter ...
Hello everybody, sorry my delay! First of all thanks a lot for your help, I was observing the sun today with LS60THAPTCB1200 and does not satisfied me anymore, even with lunt zoom or LS60F double-stack, I need to get more detailed and much higher images to share this observations with other people who never seen through h-alpha before, I agree that the 90mm is better even with central obstruction for use with C6R and BF15. Best regards folks!