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Michael A. Stecker
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Star Fields Witch
Head Nebula with Askar103APO
Which Head Nebula with
10-inch Newtonian Astronomy Index Dark Nebulae Sky-Watcher Quattro 250P Askar 103 APO C11 images Galaxies Bright Nebulae My Astrobin Gallery  Owl Nebula (M97) -- high resolution cropped image The Owl Nebula (M97 or NGC 3587) is a planetary nebula (dying 14th magnitude star) approximately 2,030 light years away and 8,000 years old in the constellation Ursa Major. It was formed from the outflow of material from the stellar wind of the central star. This cropped image is a joint project of James Foster and Michael Stecker using my Celestron 11-inch SCT at f/7.5 and ZWO ASI6200MC-Pro full frame color camera with stacked exposures of 3.8-hours. file: M97&M108color229minEXPnoCROP-HiRes-MAS1crOwl-1d1.htm Click here for full resolution image Photographic Data Date: March, 2026 Telescope: Celestron C11 11-inch SCT at f/7.5 aperture: 2,794 mm, focal ratio with Starizona reducer: f/7.5. reduced focal length: 2,095 mm Mount: iOptron CEM60 with off-axis guiding Imaging Camera: ZWO ASI6200MC-Pro full frame color astrocamera Exposure: 86 stacked 160-second sub-exposures for total of 228-minutes. 3.8 hours total integration time. .photographic site: James Foster observatory at Pinon Pines Estates (Frazier Park) California (Bortle 4 at 5,500 ft elevstion) *************************************** |
 Owl Nebula (M97) -- high resolution cropped imag (different color hue) The Owl Nebula (M97 or NGC 3587) is a planetary nebula (dying 14th magnitude star) approximately 2,030 light years away and 8,000 years old in the constellation Ursa Major. It was formed from the outflow of material from the stellar wind of the central star. This cropped image is a joint project of James Foster and Michael Stecker using my Celestron 11-inch SCT at f/7.5 and ZWO ASI6200MC-Pro full frame color camera with stacked exposures of 3.8-hours. file: M97&M108color229minEXPnoCROP-HiRes-MAS1crOwl-1c.htm Click here for full resolution image Photographic Data Same as above ************************************* |
 Owl Nebula (M97) -- low resolution cropped image (different color hue and brightness/contrast) file: M97&M108color229minEXP-1bcrow12.jpg Click here for full resolution image  Full frame -- M108 (upper left) and M97 (lower right) Same photographic data as first image, but uncropped file: M97&M108color229minEXPnoCROP-HiRes-MAS1.jpg Click here for full resolution image |