| Bubble Nebula & M52 LAAstro.com by Bill Patterson |
| Catalog: NGC7635 - Bubble Nebula & M52 Open Cluster Magnitude: 6.9 - Cluster Size: 13' - cluster, 15' nebula Constellation: Cassopeia Common Name or Description: Cluster is large & rich with a compressed middle. Nebula - faint, unusual circular structure |
| Date Taken: 09/29/03 &10/26/03 Location: Mount Pinos, CA Equipment: Takahashi FSQ106 telescope for widefield image Celestron C8 SCT telescope for closeup of Bubble Nebula SBIG ST10XME CCD camera for both images Exposure: Widefield LRGB = 80/16/16/32 & Closeup LRGB = 30/15/15/30 Notes: Equipment problems cut the C8 luminance exposures short & I lost the flat field frames as well |
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| An Example of Image Scale The Takahashi images at 500mm FL which yields a image scale of 2.64 arc seconds per pixel while The C8 images at 1260mm FL and an image scale of 1.11 arc seconds per pixel - much more resolution because of the larger aperature as well! |
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| Date Taken: July 1, 2006 Location: Idyllwild, CA Equipment: RCOS 12.5" truss telescope & SBIG STL4020 CCD camera Exposure: LRGB = 120/20/20/20 Notes: |
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| Images with other scopes below |