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Red Silk - LBN 372

Technical card

Resolution: 1350x1080

Dates: June 24, 2017June 25, 2017

Baader Planetarium Ha 7nm 2": 16x900" -25C bin 1x1
Baader Planetarium OIII 8.5nm 2": 13x240" -25C bin 2x2

Integration: 4.9 hours

Avg. Moon age: 1.03 days

Avg. Moon phase: 1.56%

Temperature: 13.50 job: 1627915

RA center: 309.051 degrees

DEC center: 47.922 degrees

Pixel scale: 2.712 arcsec/pixel

Orientation: -156.544 degrees

Field radius: 0.651 degrees

Locations: Nedelkovo, near Sofia, Bulgaria


An elegant faint nebulosity, buried in the stars of the busy Cygnus skies.

It has only a catalog number, without any additional information... However it looks to me like vails of silk, hence the name of this picture :)

Bigger version at



Ivaylo Stoynov

Sky plot

Sky plot


Red Silk - LBN 372, Ivaylo Stoynov

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APT - Astro Photography Tool

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The refractors!