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M104 in 15 mins...


fwm891
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Well I woke early this morning (about 3.00am) looked out to see a clear sky


Dressed opened the obsy set-up cameras and started


Managed 1x300s RGB when rain started


So I thought I'd put them together anyway


 


With the 8-inch RC at f8 processed with fits-liberator and PS-CS3


 


RGB_M104_RC_zps9a1e6b6e.png


 


Shot at the same time on the dual mount a wider FoV with the 115 and a DSLR, slightly cropped:


 


M104_5x300s-DSLR-115_zps2ea0c67c.png


Edited by fwm891
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When you say the first is RGB, does that mean 300 seconds in R, 300 seconds in G, 300 seconds in B or something else?

 

JD

James - 300s of each, rain stopped play after that...

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Ahh. That explains the 15 minutes. Super images. Amazed that can be done with such short exposure. What a wonderful target the sombrero makes. I would not have known it would be doable in an 8inch or 115mm. What focal lengths do they have?

These just make me want to get started.

Thanks for sharing them.

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Hi Steve,


The 8-inch RC is f8 and 1624mm fl. The 115 EDT-APO is f7 and 805mm fl. The RC has an Atik383L+mono camera binned 2x2 and the 115 has a full frame DSLR mounted.


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