Mercury transit of the Sun.
Imaged by Don Lewis November 8th, 2006

Mercury transit of the Sun.

Optics: Takahashi FS-102 @ f8
Adapter: none
Date: 11/08/2006, Time: 20:14:22 through 22:06:51 UTC
Exposure: 46 luminance of 0.04 seconds each, using a mylar solar filter in front of OTA and a 10nm Schuler HA filter.
A 1 hour 52 minute combined total. Autodark added to each image.
Resolution: 1600 x 1200 reduced to 800 x 600 and cropped to 528x527
Guiding: none
Acquisition: SBIG ST-2000XM camera
Mount: Losmandy G-11 with Gemini GOTO
Software: SBIG CCDOPS ver 5.41B6NT and CCDSoft 5.00.170, PaintShop Pro's Animation Shop 2
notes: At the 8 oclock and 2 oclock positions are sunspots. Also noticable is a slight rotation of the Sun over the period of the transit. Watch the sunspots.
note2: There is a small blur moving off the right center that is dust on the optics.

© , 2006
Last edited:11/09/2006, by Don Lewis, Wye Mountain Observatory

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