The Crescent Nebula

The central bright star is shedding its outer layers as it nears its demise.

 

This includes image data gathered over several years.

 

Imaging telescopes or lenses: Meade Starfinder 8

 

Imaging cameras: ZWO ASI1600 cooled mono · QHYCCD 163m · Canon T1i Full Spectrum

 

Mounts: Losmandy GM-8

 

Guiding telescopes or lenses: Svbony 60mm guidescope

 

Guiding cameras: ZWO ASI120MM

 

Software: Nighttime Imaging ‘N’ Astronomy · Open Guiding PHD2 Guiding · RegiStar · Astro Pixel Processor · Adobe Photoshop CS4 Photoshop CS4

 

Filters: Orion SkyGlow Imaging Filter · Ha filter

 

Accessory: OnStep GoTo Controller · Baader MPCC coma corrector

 

Dates:June 5, 2018 , May 26, 2020 , June 24, 2020 , May 12, 2021

 

Frames:

Ha filter: 690x30"

Ha filter: 244x75" -10C bin 2x2

Orion SkyGlow Imaging Filter: 60x210" ISO1600

 

Integration: 14.3 hours

 

Darks: ~100

 

Bias: ~100

 

Avg. Moon age: 7.14 days

 

Avg. Moon phase: 22.15%

Basic astrometry details

 

Astrometry.net job: 4513757

 

RA center: 20h 12' 17"

 

DEC center: +38° 20' 52"

 

Pixel scale: 1.280 arcsec/pixel

 

Orientation: 166.586 degrees

 

Field radius: 0.528 degrees

Find images in the same area

 

Resolution: 2349x1815

 

Data source: Backyard

 

 

Done