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Cygnus Star Cloud / WR134-Sh2-101-B147

Classification: WR134, V1769 Emission lines / Sh2-101 Emission nebula, B147 Dark nebula,
Constellation: Cygnus (CYG)
Object Location: Centered at Ra 20h 05m 41s Dec +35° 03’05” (current)
Size & Distance: Na, Apx 6000 light years

Date & Location: 07-17/18-2020 Palomar Mountain, CA.
Exposure: SHO 225-225-240 Ha-S2 15x15min. O3 16x15 (bin 1x1)
Optics: Telescope Engineering Company APO110FL w/ TEC FF @ f/5.74, 631mm using the Optec FocusLynx.
Mount: Astro-Physics 1200 GTOCP4 / ATS 10x36 pier.
Camera: FLI-PL16803 @-25c / FLI CFW5-7 Guided by SBIG ST-I / w OAG.
Filters: Astrodon 50mm Sq, 3nm S2,Ha,O3
Software: MaxImDL 6.11, Photoshop CC, CCDStack, Topaz Studio.

Notes: Sky conditions: Above Average, calm winds Temp 70°
Image Field of view is 197x197 arcmin. Image Scale 2.94 arcsec/pix
Image is an S2-red, Ha-Green, O3-Blue.

Sh2-101 is sometimes also called the Tulip Nebula because it appears to resemble the outline of a tulip when imaged photographically. It was catalogued by astronomer Stewart Sharpless in his 1959 catalog of nebulae. It lies at a distance of about 6,000 light-years

WR 134 a variable Wolf-Rayet star located about 6,000 light years in Cygnus and is surrounded by a faint Olll bubble nebula. WR 134 classified as an Algol type eclipsing variable with the designation V1769 Cygni, and is five times the radius of the sun, but due to a temperature over 63,000 K it is 400,000 times as luminous as the Sun. WR stars get there name from Charles Wolf and Georges Rayet who discovered their unusual appearance.