NGC224 (M31) in Halpha from Takahashi FSQ106, FLI IMG6303E with Baader Planetarium 7nm Halpha filter

click image to enlarge, click here for highest resolution

taken on October 22 and 23, 2007 from my backyard in Castro Valley, California 

 

Dedicated to Tarzan (1990 - 2007) , who passed on during the taking of this image:

We miss you little buddy :

Equipment used:

Takahashi FSQ106 530mm f/5 refractor (imaging telescope)

FLI IMG6303E imaging camera operated at -26C

Astro-Physics 80/900mm guidescope

SBIG ST7E guide camera operated at -5C

Astro-Physics AP1200GTO mount

FLI CFW1 filter wheel

Robofocus

Baader Planetarium 7nm 50mm unmounted Halpha filter

21 exposures of 20 minutes

7 hours total exposure

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