Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  16 CMa)  ·  The star Udra (ο1 CMa
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Dolphin Head Nebula, Sh2-308, Michael Stecker
Dolphin Head Nebula, Sh2-308
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Dolphin Head Nebula, Sh2-308

Getting plate-solving status, please wait...
Dolphin Head Nebula, Sh2-308, Michael Stecker
Dolphin Head Nebula, Sh2-308
Powered byPixInsight

Dolphin Head Nebula, Sh2-308

Equipment

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Acquisition details

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Description

Sh2-308 "Dolphin Head Nebula"
(with Oxygen-III data)
file: Sh308DH-JRF-HRGBOIIInu2A-MAS1x2b.jpg


Photographic Data
Telescope:
Sky-Watcher Quattro 250P, 10-inch f/4 Newtonian telescope (FL= 1,000 mm)

Mount:
Astro-Physics 1200 GTO equatorial mount

Guiding:
SVBony 60 mm f/4 guide scope (FL= 240 mm) with ZWO ASI1200 Mini guide camera

Imaging Camera:
ZWO ASI2600MM-Pro monochrome astro-camera.  Imaged on September 17, 2023.

Filters:
Oxygen-III (3nm for 126 minutes), Hydrogen-alpha (3 nm), red, green and blue

Exposure:
?

Processing
Acquired and stacked by James Foster with Maxim DL.  Post-processed in Adobe Photoshop Elements by Michael Stecker.

Photographic site:
James Foster's observatory at Frazier Park California
https://en.wikipedia.org/wiki/Frazier_Park,_California
(Bortle 4 at 5,500 feet elevation)

Comments

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Dolphin Head Nebula, Sh2-308, Michael Stecker