| Classification: |
Variable Wolf-Rayet Star, V1769 Cygnus. |
| Constellation: |
Cygnus (CYG) |
| Object Location: |
Ra 20h 10m 06s Dec +36° 17’09” (current) |
| Size & Distance: |
Apx 6000 light years. |
|
| Date & Location: |
05-21/22/24-2025 Lockwood Observatory, Descanso,CA. |
| Exposure: |
SHO/HOO 270-375-90 S2=6x15, Ha=18x15, O3=25x15 (bin 2x2) |
| Optics: |
AP 110GTX f/5 550mm, AP-TCC |
| Mount: |
Astro-Physics Mach 1 GTOCP4 / ATS 8x36 Pier. |
| Camera: |
Moravian C3-61000 Pro / EFW-3L-7/ Guided by ZWO 174mini / w OAG. |
| Filters: |
Astrodon 50x50 3nm Ha-S2-O3 |
| Software: |
MaxImDL 6.11, CCDStack, Photoshop CC, PI. |
|
| Notes: |
Sky conditions: Average, SQM was 21.17, Temp mid 40’s
Image Field of view is 150x225 arcmin. Image Scale 2.82
Image is an SHO/HOO North Right.
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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.
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