Michael A. Stecker
mastecker@gmail.com

 


 
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NGC 7023 "Iris Nebula" (cropped)
 This is a cropped photo of the Iris Nebula (NGC 7023) in the constellation Cepheus.  The blue color represents reflected light.  Also seen are dense interstellar dust clouds.  This is a joint project of James Foster and me.  The photo was taken from Frazier Park California with a Sky-Watcher Quattro 250P, 10-inch f/4 Newtonian telescope. exposing for 2.25 hours with a cooled ZWO ASI2600MC-Pro camera.
file: NGC7023IrisNeb-JRF10Newt135min-17&18Sep23RGB3b1.jpg


Photographic Data
telescope:
Sky-Watcher Quattro 250P, 10-inch f/4 Newtonian telescope with coma corrector
Focal Length: 1,000 mm
 
mount:
Astro-Physics 1200 GTO

 imaging camera:
ZWO ASI2600MC-Pro color astro-camera.

exposures:
300 sec X 27 (135 minutes or 2.25 hours)
guiding:
SVBony 60 mm f/4 guide scope (FL= 240 mm) with ZWO ASI120MM Mini guide camera
 
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)
 
 
 

Full frame image of NGC 7023 "Iris Nebula"
 file: NGC7023IrisNeb-JRF10Newt135min-17&18Sep23RGB3a-fs