Michael A. Stecker
mastecker@gmail.com

 


 

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Barnard-72 "Snake Nebula"
The Snake Nebula (also known as Barnard 72, B72) is a dark nebula in the Ophiuchus constellation of our summer Milky Way. This s a joint project of James Foster and myself using my Askar 103 APO, 4-inch triplet refractor, with 36-minute stacked exposures. 
file: SnakeASKAR04May24B36min-3a.jpg

Photographic Data
Date:
May 4, 2024


telescope:
Askar 103 APO
4-inch triplet refractor with 0.8X focal reducer
Aperture: 103 mm
Focal length (reduced): 560 mm
Focal ratio with 0.8X reducer: f/5.5

mount:
iOptron CEM60

imaging camera:
ZWO ASI6200MC-Pro color astro-camera

exposure:
200 seconds X 11 (36- minutes stacked)

guiding:
SVBony 60 mm f/4 (FL= 240 mm) guide scope with ZWO ASI120MM-mini guide camera
 
processing
Aquired by James Foster with Maxim DL.  Stacked in ASI Studio.
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)
 
 
 
Full frame of photo above

Full frame of photo above before it was cropped.
Askar 103 APO with ZWO ASI6200MC-Pro color camera
file: SnakeASKAR04May24B36minff-1sm.jpg