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Medusa Nebula, Abell 21, Sharpless 2-274, 


            Albert van Duin
Medusa Nebula, Abell 21, Sharpless 2-274

Medusa Nebula, Abell 21, Sharpless 2-274

Technical card

Resolution: 3326x2504

Dates:Feb. 7, 2018

Frames: 7x1200"

Integration: 2.3 hours

Avg. Moon age: 21.98 days

Avg. Moon phase: 51.77% job: 1923557

RA center: 112.249 degrees

DEC center: 13.251 degrees

Pixel scale: 0.615 arcsec/pixel

Orientation: 267.957 degrees

Field radius: 0.355 degrees

Locations: Beilen Observatory B85, Beilen, Drenthe, Netherlands; Edgar Getreuer Observatory, Burlage, Germany

Data source: Own remote observatory

Remote source: Non-commercial independent facility


This is a combination of 7, 1200s H-Alpha images made in February and March 2017 from Beilen and January and February 2018 from Burlage. This is one of those objects that is hard to image due to the bad weather conditions this time of year.



Albert van Duin
License: None (All rights reserved)

Sky plot

Sky plot


Medusa Nebula, Abell 21, Sharpless 2-274, 


            Albert van Duin