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Hemisphere:  Northern  ·  Contains:  NGC 2237, NGC 2238, NGC 2239, NGC 2246, NGC 2252, Rosette A, Rosette B, Rosette Nebula, The star 12Mon
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The Rosette Nebula (Caldwell 49), 


            Peter Dunsby
The Rosette Nebula (Caldwell 49)
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The Rosette Nebula (Caldwell 49)

Technical card

Imaging telescopes or lenses: PrimaLuceLab 60mm guidescope

Imaging cameras: ZWO ASI1600MM Pro

Mounts: Skywatcher EQ6-R Pro

Guiding telescopes or lenses: PrimaLuceLab 60mm guidescope

Guiding cameras: ZWO ASI120MM

Software: Stark Labs Nebulosity 4.1  ·  Seqence Generator Pro  ·  PHD2  ·  Pixinsight

Filters: Baader high speed OIII  ·  Baader high speed Ha

Accessory: Primaluce Labs Eagle 3

Dates:March 8, 2020March 9, 2020

Baader high speed Ha: 65x120" (gain: 75.00) -10C bin 1x1
Baader high speed OIII: 147x60" (gain: 75.00) -10C bin 1x1

Integration: 4.6 hours

Darks: ~50

Flats: ~50

Flat darks: ~50

Avg. Moon age: 13.91 days

Avg. Moon phase: 98.79%

Bortle Dark-Sky Scale: 8.00

Basic astrometry details job: 3479558

RA center: 6h 31' 57"

DEC center: +4° 59' 2"

Pixel scale: 0.985 arcsec/pixel

Orientation: 93.274 degrees

Field radius: 1.333 degrees

Resolution: 7794x5846

Data source: Backyard


The Rosette nebula in HOO, captured with the speedy Celestron RASA 8.



Peter Dunsby
License: None (All rights reserved)

Sky plot

Sky plot


The Rosette Nebula (Caldwell 49), 


            Peter Dunsby