Hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  The star ο1CMa
Sh 2-308 - LBN 1052 - Dolphin Head Nebula, 



    
        

            Gaw
Sh 2-308 - LBN 1052 - Dolphin Head Nebula
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Sh 2-308 - LBN 1052 - Dolphin Head Nebula

Technical card

Imaging telescopes or lenses: SkyWatcher Esprit 100ED Super APO Triplet

Imaging cameras: ZWO AIS1600 MM Pro

Mounts: iOptron CEM 60-EC

Guiding cameras: ZWO ASI 290MM Mini

Focal reducers: SkyWatcher Esprit 100ED Flattener Triplet

Software: APP  ·  APT - Astro Photography Tool  ·  PixInsight

Filters: Baader CCD-Filter R  ·  Baader CCD-Filter G  ·  Baader CCD-Filter B  ·  Astronomik OIII 6nm CCD  ·  Astronomik H-Alpha CCD 6nm

Accessory: Pegasus Astro Dual Motor Focus  ·  ZWO OAG Off Axis Guider


Dates:Feb. 10, 2021

Frames: 206x300"

Integration: 17.2 hours

Avg. Moon age: 28.23 days

Avg. Moon phase: 1.89%


Basic astrometry details

Astrometry.net job: 4229548

RA center: 6h 54' 26"

DEC center: -23° 56' 16"

Pixel scale: 1.991 arcsec/pixel

Orientation: 94.462 degrees

Field radius: 0.827 degrees


Resolution: 2412x1767

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

In the center is the star Wolf_Rayet 6, RCW11.
It is a very faint nebula that is illuminated by its central star by ultraviolet radiation.
It is 4530 light years away and has a diameter of 60 light years.

HOO + RGB:
Ha: 11x600" + 48x300"
OIII: 116x300"
RGB: 14x180"/channel

Comments

Sky plot

Sky plot

Histogram

Sh 2-308 - LBN 1052 - Dolphin Head Nebula, 



    
        

            Gaw

In these public groups

IOptron CEM
Sharpless2 Objects