20140924_1745UTC_AR12172_C7

20140924 1745UTC AR12172 C7

Description:

24 Sep 2014 1745 UTC (start) Class C7.0 flare.

This animation starts at 1743 UTC the interval between frames is 15 seconds minimum to around 6 minutes maximum. There are 21 frames in the video.

Major cropping has been done for reduced file size and the fact that I used 3 different image sizes.

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

Date: 24 Sep 2014, 104332 PDT start (my laptop time).

Scope and f/: Lunt LS100THa (Hydrogen-Alpha filtered) with BF1800 at f/14 (a 2x Powermate is installed). The DSII (double stack filter) is not 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 2736x2192 Format 7 mode with various hardware ROI's set due to me experimenting.

Camera temperature: 121.8 F (49.9 C) at the end of the run.

Camera binning: None.

Number of sub-images and exposure: Various frames from each captured video.

Filters: None.

Image Calibration: N/A.

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




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