Blue Mountain Vista Observatory New RInggold PA
NGC 4236 is magnitude 10.5 barred spiral galaxy in the constellation of Draco. It is part of the M81
galaxy group and is 11.7 million light years from Earth. It is pretty big from our point of view, at 21.9
x 7.2 arc minutes, but also pretty dim since its mag 10 light is spread over a large surface area.
Date: Apr 2012
Location: New Ringgold PA
Optics: Hyperion f/8 12.5 inch, FL 2540 mm
Mount: Paramount ME
Camera: Apogee Alta U8300 L bin2 and RGB bin3
Guiding: SBIG ST 402 with On Axis Guider (ONAG)
Exposure: LRGB - L:37x10, R:20x8 min, G:14x6 min, B:22x8 min - Total 13.2 hrs
Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL
with subsequent processing with Photoshop.