Michael A. Stecker
mastecker@gmail.com

 


 
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NGC 1499 "California Nebula"
 The Calfornia Nebula (NGC 1499) is an intense hydrogen emission nebula located in the constellation Perseus, 1,500 light years from Earth.  I used an Askar 103 APO (4-inch) refractor from my backyard.
 file: NGC1499-Cal240sX20-cp1AskarF5d5LeNhASI2600Duo1132024b1rx3.jpg

Photographic Data
 telescope:
Askar 103 APO triplet refractor with 0.8X focal reducer
Aperture: 103 mm (4-inch)
Focal ratio: f/5.5
Focal Length: 560 mm
Full frame image
 
mount:
ZWO AM5 harmonic mount

 imaging camera:
ZWO ASI2600MC Duo color astro-camera
Full frame image

filter:
Optolong L-eNhanced nebular filter

exposure:
240 sec X 20 (80 minutes, 1.3 hours)
guiding:
SVBony 60 mm f/4 guide scopr (FL= 240 mm) with ZWO ASI662MC guide camera
 
processing software:
Asiair, Photoshop Elements 2021

photographic site:
West Los Angeles California
(Bortle 9 light polluted sky)