Deep Horse Head in 3nm NII

[avandonk]

I could not resist taking 5X32 minute frames of the Horse Head region as a test.

Full sensor resolution FoV 3.5 X 3.5 degrees. 6MB


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


All the work to accurately align and get rid of residual flexure has been worth all the pain.

Bert


Astrograph is an Officina Stellare RH200 which has a focal length of 600mm and is F3, yes 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.

[cybereye (Mario)]

God that's impressive!

Mario

[WingnutR32 (Sam)]

Stunning!

[cventer]

Very dramatic. Looks like some angry ghouls rising from bottom of the frame.

Glad you got it all sorted Bert.

[RobF (Rob)]

Almost got all 3 belt stars in there Bert!
Amazing FOV. Wowser.

[ourkind (Carlos)]

Wow what a great image Bert. Love it!

[Larryp (Laurie)]

Absolutely fantastic, Bert!

[BlackWidow (Mardy)]

Awesome. Great to see

[omegacrux (David)]

Stunning
I like these pics your gear can do

David

[alpal]

That's really nice Bert.
I am seeing detail that I've never seen before.
I hope you'll make a mosaic up including Orion as well & stitch it all together.

cheers
Allan

[tornado33]

Gee very nice Ive never seen a Horsehead widefield like that before
Scott

[seeker372011 (Narayan)]

OMG

What a great new perspective on a familiar object..brilliant work.

[Ross G]

What a beautiful photo Bert.

Amazing!

Ross.