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Contains:  IC 2177, IC 468, M 50, NGC 2323, NGC 2335, NGC 2345, NGC 2353, NGC 2359, NGC 2374, NGC 2396, The star θCMa
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Widefield of Seagull Nebula / Thor's Helmet, 


            Mario Gromke
Widefield of Seagull Nebula / Thor's Helmet
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Widefield of Seagull Nebula / Thor's Helmet

Technical card

Imaging telescope or lens:Sigma Art 135 mm F1.8 DG

Imaging camera:Canon EOS 60Da

Mount:Skywatcher Star Adventurer

Guiding telescope or lens:Unguided

Guiding cameras:

Focal reducers:

Software:Pleiades Astrophoto PixInsight 1.8 Ripley



Resolution: 5070x3288

Dates:April 9, 2019

Frames: 91x58" ISO800

Integration: 1.5 hours

Darks: ~60

Flats: 0

Flat darks: 0

Bias: ~200

Avg. Moon age: 3.99 days

Avg. Moon phase: 16.99%

Bortle Dark-Sky Scale: None

Mean SQM: None

Mean FWHM: None

Temperature: 10.00

Basic astrometry details job: 2650676

RA center: 7h 9' 37"

DEC center: -10° 53' 31"

Pixel scale: 6.688 arcsec/pixel

Orientation: 346.791 degrees

Field radius: 5.613 degrees

Locations: ATHOS, Las Tricias, La Palma, Spain

Data source: Traveller


f / 2.8



Mario Gromke
License: None (All rights reserved)

Sky plot

Sky plot


Widefield of Seagull Nebula / Thor's Helmet, 


            Mario Gromke

In these public groups

Camera Lens Astrophotography