Michael A. Stecker
mastecker@gmail.com



 

 
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Seahorse Nebula (B150)

Seahorse Nebula (B150) in Cepheus, processed with Pixinsight
The Seahorse Nebula (Barnard 150) is a dark dusty nebula located in the constellation Cepheus about 1200 light years away from Earth. The dark nebula, about 1° long, is adjacent to three brown-colored dense gas cores labeled L1082 A, B and C where stars are being formed. This is a joint project of James Foster and Michael Stecker using a 10-inch f/4 Newtonian telescope, ZWO ASI 2600MC-Pro color camera and 11.6-hour exposure.
file: SeaHorseBarnard150asi2600mc720minEXPfinal2-PI2r2sm.jpg
Click here for full resolution photo


Photographic Data
Date:
September, 2025

telescope:
Sky-Watcher Quattro 250P
(10-inch f/4 Newtonian telescope with coma corrector)
FL= 1,000 mm


mount:
iOptron Cem60
guiding off-axis


imaging cameras:
ZWO ASI2600MC-Pro color astrocamera

processing:
Pixinsight and Adobe Photoshop Elements 2021

exposure:
100 sec X 432
total exposure time: 12 hours


.photographic site:
James Foster observatory at Pinon Pines Estates (Frazier Park) California
(Bortle 4 at 5,500 ft elevstion)