Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
Sh2-187 Nebula in Cassiopeia, 



    
        

            Mike Oates
Sh2-187 Nebula in Cassiopeia
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Sh2-187 Nebula in Cassiopeia

Sh2-187 Nebula in Cassiopeia, 



    
        

            Mike Oates
Sh2-187 Nebula in Cassiopeia
Powered byPixInsight

Sh2-187 Nebula in Cassiopeia

Acquisition details

Dates:
Dec. 16, 2017
Frames:
Blue: 68×300(5h 40′) bin 1×1
Green: 82×300(6h 50′) bin 1×1
Ha 3nm: 11×1200(3h 40′) bin 1×1
Ha 3nm: 25×1800(12h 30′) bin 1×1
Red: 60×300(5h) bin 1×1
Red: 10×120(20′) bin 2×2
Integration:
34h
Avg. Moon age:
27.94 days
Avg. Moon phase:
2.85%
Mean SQM:
18.50

Basic astrometry details

Astrometry.net job: 1869587

RA center: 01h21m55s.4

DEC center: +61°4727

Pixel scale: 1.435 arcsec/pixel

Orientation: 359.999 degrees

Field radius: 0.862 degrees

Resolution: 3326x2764

File size: 8.2 MB

Locations: The Hills Observatory, Manchester, United Kingdom

Data source: Backyard

Description

Ha and red subs were simply added together to make the red channel.

Comments

Sky plot

Sky plot

Histogram

Sh2-187 Nebula in Cassiopeia, 



    
        

            Mike Oates