Celestron 11-inch SCT(black tube) images

Michael A. Stecker
mastecker@mstecker.com

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Celestron 11-inch Schmidt Cassegrain Telescope
(black tube)

Michael A. Stecker's 11-inch (2,794 mm aperture) SCT black tube OTA with Starizona focal reducer-flattener to f/7.5 (2,095 mm focal length) setup for narrow band imaging with filter wheel, off-axis guiding, and ZWO Asiair Plus controller on a ZWO AM7 harmonic mount. All atop a homemade 70-pound aluminum tripod with ZWO PE200 pier extension.

Date of photo: July 25, 2026
file: C11-AM7setup72026-JRFcrt.jpg
Click here for full resolution and full field image

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Michael A. Stecker's 11-inch (2,794 mm aperture) SCT black tube OTA with Starizona 0.75X focal reducer/flattener to f/7.5 (2,095 mm focal length) on an Astro-Physics 1200 GTO mount at
Pinon Pines Estates, California

Michael A. Stecker's Celestron-11 black tube SCT at f/7.5 on Astro-Physics 1200 GTO mount.
After this we used the iOptron CEM60 mount with the C-11, 10-inch f/4 Newtonian telescope and Askar 103APO refractor up to April, 2026


M20 with MAS C-11	M13 with MAS C-11	M106 with MAS C-11

M51 with MAS C-11 & Ha	NGC 4216 with MAS C-11	NGC 6888 in HOO

NGC 4565	Propeller Nebula (HP)	NGC 6520 & B86
M16 - Hubble Palette	Lunar Eclipse 3-3-2026	Owl Nebula (M97)



NGC 3718 galaxy group	M101	M64 (AM7 & C11)


Draco Trio (composite)	NGC 6826