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The Dumbbell Nebula, 


            Stephan Jansson

The Dumbbell Nebula

Technical card

Imaging telescopes or lenses: Nikon 300mm f/2.8 AF-I

Imaging cameras: Nikon D7100

Mounts: iOptron SkyGuider Pro

Software: Photoshop 2020  ·  SiriL Image Processing

Dates:Sept. 11, 2020

Frames: 64x30"

Integration: 0.5 hours

Avg. Moon age: 23.19 days

Avg. Moon phase: 38.95%

Resolution: 1200x770

Locations: Bortle 4 surroundings, Burgh-Haamstede, Zeeland, Netherlands

Data source: Traveller


Nikon D7100 unmoded.
Nikon 300mm f/2.8 AF-I.
64 pictures of 30 seconds .
Only lights, no darks, bias and flats.
No filters.
f/4, ISO 800.
iOptron Skyguider Pro, unguided.
Bortle 4.



Stephan Jansson
License: None (All rights reserved)


The Dumbbell Nebula, 


            Stephan Jansson