Supernova in M101
(mouse over picture below to show supernova label)
| Object | Type 1A Supernova (SN-PTF11kly) in Spiral Galaxy, "The Pinwheel Galaxy" (M101), in Ursa Major | |
| Telescope (Photo) |
Supernova: Celestron 8" SCT OTA @ f/6.3 on Celestron
CGEM Mount LRGB: Celestron 11" EdgeHD SCT OTA @ f/10 on Losmandy G-11 Mount |
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| Telescope (Guiding) |
Supernova:
Celestron 8" SCT OTA @ f/6.3 on Celestron CGEM Mount
(off-axis) LRGB: Orion EON 80mm ED Refractor @ f/6.25 on Losmandy G11 Mount |
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| Camera (Photo) |
Supernova:
Canon 50Dh DSLR (Hutech modified) LRGB: SBIG ST8300M monochrome CCD |
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| Camera (Guiding) |
Supernova: Meade DSI Pro III w/
PHD Guiding LRGB: Starlight Express Lodestar w/ PHD Guiding |
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| Exposure Detail |
Supernova: excluded-average combination of 3 images at 300
seconds each, ISO1600 LRGB combination: Luminance: excluded-average combination of 27 images ( binned 1x1) at 600 seconds Red: excluded-average combination of 14 images (binned 2x2) at 300 seconds Green: excluded-average combination of 15 images (binned 2x2) at 300 seconds Blue: excluded-average combination of 13 images (binned 2x2) at 300 seconds RAW file conversion, full calibration (flat, dark, bias, flat-dark), Translation/Scale/Rotation, and initial image processing using ImagesPlus 4.0; final image processing using Photoshop CS3 |
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| Location |
Supernova: Cincinnati Astronomical Society's Dark-Sky Site
(Adams County, Ohio) (N38.876, W83.464) Luminance: Private Property at Chiefland Astronomy Village, Florida (N29.406, W82.860) RGB: Private Property, Greene County, Ohio (N39.677, W83.802) |
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| Date |
Supernova: 08/27/11 Luminance: 03/26/11 RGB: 04/30/11 |
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| Comments | A Type 1a Supernova occurs when a white dwarf star violently explodes after ceasing nuclear fusion at the end of the star's life. This supernova was discovered on August 24, 2011. |