Updated: 10.23.03

This shot of the Crab Nebula, located in Taurus, was taken with the SXV-H9C, f/3.3 focal reducer and 10mm spacer to give a final f/ratio of f/6.28! The slower speed and smaller H9C pixels provides a nice image scale for smaller objects. The seeing was a bit soft due to the low placement of M1 in the sky. A redo will be done once M1 is situated closer to the zenith. A mix of 10%R and 90%L made up the luminance for this image.

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Image info:

12"LX200 on a Losmandy Titan Mount

Starlight Express

IDAS filter

25x3 mins (L+10%R)RGB

f/6.28 (10 mm spacer used)

Stacked and processed in Astroart

guided with the MX7C on a piggybacked Sky90 refractor with 2x barlow