Michael A. Stecker
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Supernova Remnant
Bright Nebulae
C-11 images
Sky-Watcher Quattro 250P Askar 103 APO My Astrobin Gallery |
Photographic Data
telescope: Celestron 11-inch SCT (black tube) with Starizona 0.7X focal reducer Focal Length: 1,955 mm
mount:
Astro-Physics 1200 GTO guiding: off-axis imaging cameras: ZWO ASI6200MC-Pro (one-shot full-frame color) exposure: 300 seconds X 76 380 minutes (6.3 hours) processing Maxim-DL, ASI Studio and Adobe Photoshop Elemets photographic site: Pinon Pines Estates (Frazier Park California) (Bortle 4 at 5,500 ft elevation)
M51 widefield view from C-11 at f/7 |