A Quickie Horse Head

[avandonk]

Just 5x32 minutes exposure. in 3nm NII.

http://d1355990.i49.quadrahosting.co...adNeb_NII_.jpg


Bert

[multiweb (Marc)]

That's awesome Bert! Super deep. Looks like a tapestry. Very cool.

[Atmos (Colin)]

That is very nice Bert! What was it taken with?

[Shiraz (Ray)]

that is a quite startling deep image Bert!

good to see you back.

[strongmanmike (Michael)]

Yeah deep and amazingly fluid looking Berto, something rarely achieved for this area

Mike

[Andy01 (Andy)]

Wow Bert! For 2.5 hrs exposure that's soooo deep. May I ask what focal ratio your rig is? Must be faster than f4 surely.

[Somnium (Aidan)]

really fantastic Bert

[graham.hobart (Graham stevens)]

Wow! that is amazing !
Graham

[avandonk]

Originally Posted by Andy01

Wow Bert! For 2.5 hrs exposure that's soooo deep. May I ask what focal ratio your rig is? Must be faster than f4 surely.

Astrograph is an Officina Stellare RH200 which has a focal length of 600mm and is F3. Clear aperture is 200mm.
FLI Atlas Focuser.
FLI ten position filter wheel CFW-3-10 with 50mm square filters.
Astrodon E series LRGB and HA, NII, SII and OIII 3nm NB filters. Also a continuum filter 5nm.
Camera is a FLI PL16803 which has a sensor size 36.8 X 36.8 mm.
The FoV of this system is 3.5 X 3.5 degrees.
Mount is a Software Bisque PMX.

Bert

[batema (Mark)]

Amazing field of view. Beautiful image Bert.