20141004 105818

20141004 105818

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Description:

Prominence on the Sun's western limb.

Converted from greyscale to color.

North is up.

Imaging Site: My back-yard in San Diego, Ca.

Date: 04 Oct 2014, 1058 PDT (my laptop time).

Scope and f/: Lunt LS100THa (Hydrogen-Alpha filtered) with BF1800 at f/28 (4x PowerMate is installed). The DSII (double stack filter) is installed.

Mount: Takahashi NJP.

Guiding: None.

Camera: Point Grey Grasshopper Express (GX-FW-60SM-C) monochrome video camera with a ICX694 sensor. Camera is operating in 1600x1200 16-bit mode.

Camera temperature: 130.1 F (54.5 C)

Camera binning: None.

Number of sub-images and exposure: Stacked 25 images from the 301 frame captured video.

Filters: None.

Image Calibration: Automatic flat processing in Astro IIDC.

Control, capture and processing with: Astro IIDC, PixInsight, and Photoshop on a Mac.




Images may be used for personal and/or educational use only.