The Tulip Nebula in Hydrogen Alpha
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This image is included in our signature series.
SH2-101 is an emission nebula in the Cygnus cloud region. It is in direct line with the Milky Way and therefore lies in an abundant starfield. I first imaged the Tulip Nebula in July 2021. In the first image, the bright red star in the lower right is Cygnus X-1, part of a binary star system that includes black hole. You can't see it, but its signature is visible in X-ray emissions. I imaged it three more times through June 2022 and combined the data for the second image. Last night, I started a new data set. This time I got a little closer.
See where this image is located in space via the WorldWide Telescope.
Image details
| Telescope: | Celestron EdgeHD 9.25 | |
| Length: | 1640mm | |
| Aperture: | 235mm | |
| F-stop: | f/6.230 | |
| Sessions: | 1 | |
| Captured: | 2023-06-28 to 2023-06-28 | |
| Lights: | 36 | |
| Exposure: | 300 | |
| Total exposure: | 3 h | |
| Ra: | 20h 0m 0.9s | |
| Dec: | +35° 20' 31.233 | |
| Size: | 27.023 x 32.437 arcmin | |
| Radius: | 0.352 deg | |
| Scale: | 0.384 arcsec/pixel |
SH2-101: Tulip Nebula over Four Sessions
2022-06-25
SH2-101: The Tulip Nebula
2021-11-01