20140910_175702UTC AR2158x1_6


20140910 175702UTC AR2158x1 6

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Description:

10 Sep 2014 1745 UTC (peak) Class X1.6 flare. This image was captured 12 minutes after the peak.

I had just set up the equipment for practice runs, and was surprised by the flare.

 Converted from greyscale to color.

North is up.

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

Date: 10 Sep 2014, 1057 PDT (my laptop time).

Scope and f/: Lunt LS100THa (Hydrogen-Alpha filtered) with BF1800 at f/7. 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 hardware ROI set to 680x680.

Camera temperature: 118.9 F (48.3 C)

Camera binning: None.

Number of sub-images and exposure: Stacked 17 images from the 201 frame 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.