20140809 Sun Ha

20140809 Sun Ha SS


Captured four videos with around 2 minutes delay between each. Processed a stack from each video and inverted each image for easier visibility of the prominences.

Captured a video of the disk. Turned the processed image from this video into color and added it to the four time interval images above.

Then turned it all into a gif using Photoshop.

North is at the lower right.

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

Date: 09 Aug 2014

Scope and f/: Lunt LS100THa (Hydrogen-Alpha filtered) at f/7. The DSII (double stack filter) is not installed.

Mount: Takahashi NJP.

Guiding: None.

Camera: Point Grey Grasshopper Express (GX-FW-60S1M-C) monochrome video camera with a ICX694 sensor.

Camera temperature: N/A

Camera binning: N/A

Number of sub-images and exposure: Stacked some images from several captured videos.

Filters: Only the one on the scope.

Image Calibration: None.

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

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