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Old 08-03-2020, 09:28 AM
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gregbradley
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gregbradley is offline
 
Join Date: Feb 2006
Location: Sydney
Posts: 18,185
First light CFF 105 F6 FPL55 triplet

I have had this scope for quite a while now but haven't had too many chances to use it.

Adapters, bushfires, smoke,cloud - you know the usual!

At my dark site recently I was able to get some lovely clear dark skies but the seeing was unusually bad. Lucky its only 630mm focal length.

Eta Carina. FLI Proline 16803. The flattener works well, the adapters are the correct length, stars seem fine when everything is tightly snugged up ( a feat in itself, I don't think there are many scopes with a 44mm corrected field at 105mm F6 - FSQ being the only one I know of, perhaps some AP's).

Manually focused as I haven't installed the electronic focuser yet, that's next so sightly sharper results can be expected from thermal compensation.
Feathertouch focusers though are the best and it wasn't hard to get it sharp.

HaLRGB. I like the starless version best but both are presented:

https://pbase.com/image/170493708/large starless

https://pbase.com/gregbradley/image/170492479/large stars.

Greg.
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Click for full-size image (Eta Carina HaLRGB 60 30 60 50 60 CFF V3 starless thumb.jpg)
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Last edited by gregbradley; 10-03-2020 at 06:42 PM.
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