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Contains:  The star 25Cyg, The star ηCyg
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The Tulip Nebula, Sharpless 101 (SH2-101), 


            Steven Bellavia
The Tulip Nebula, Sharpless 101 (SH2-101)
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The Tulip Nebula, Sharpless 101 (SH2-101)

Technical card

Dates:Aug. 26, 2017

Frames: 29x180" ISO1600

Integration: 1.4 hours

Darks: ~25

Flats: ~25

Bias: ~25

Avg. Moon age: 4.79 days

Avg. Moon phase: 23.79%

Bortle Dark-Sky Scale: 4.00

Temperature: 17.00

Basic astrometry details job: 1938642

RA center: 19h 59' 59"

DEC center: +35° 21' 39"

Pixel scale: 4.650 arcsec/pixel

Orientation: 274.634 degrees

Field radius: 2.027 degrees

Resolution: 2610x1741

Data source: Backyard


Sharpless 101 (SH2-101) is a H II region emission nebula located in the constellation Cygnus. It is also called the Tulip Nebula. It was catalogued by astronomer Stewart Sharpless in his 1959 catalog of nebulae. It lies at a distance of about 6,000 light-years from Earth:



Steven Bellavia
License: None (All rights reserved)

Sky plot

Sky plot


The Tulip Nebula, Sharpless 101 (SH2-101), 


            Steven Bellavia