<%@LANGUAGE="JAVASCRIPT" CODEPAGE="1252"%> Astro


evanescent
: fleeting, transitory
evanescent wave: a nearfield standing wave, employed for total internal reflection microscopy

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Astrophotography


Click on any image to downoad the full-resolution image file

Updated 07/17/2025

 

My first astrophotography rig

ZWO FF80 telescope, ASI 2600 MC Pro camera, ASIAIRcontroller, ZWO mini guide scope and camera, ZWO AM3 harmonic wave mount and tripod

 

 

 

Wizard Nebula in Ha/OIII
Celestron C8 EDGE

 

 


Veil nebula (cygnus loop)
2-panel mosaic, 400mm Canon f4 DO lens, dual narrowband Ha/OII flter

 

 

 

Bubble Nebula (NGC 7635)
Celestron C8 EDGE, Ha/OIII narrowband filter
 

 

Markarian's chain of galaxies
ZWO FF80 refractor

 

 

Lagoon and trifid nebulae
Canon 400mm f4 DO lens, Ha/OIII narrowband filter

 

 


Dumbbell nebula ( M27)
Celestron C8 EDGE, Ha/OIII narrowband filter

 

 

Leo triplet - spiral galaxies M65, M66, and NGC 3628 ("Hamburger galaxy")
Canon 400mm f4 DO lens, no filter
 

 

Eagle Nebula
Canon 400mm f4 DO lens, Ha/OIII narrowband filter (OIII signal in blue enhanced)
 

 

Iris Nebula
Celestron C8 EDGE, no filter, about 3 hrs Bortle 2 skies
 

 

 


The colorful interstellar clouds of Rho Ophiuchi
100mm macro lens, no filter, about 6 hrs in Bortle 2 skies
.

 

 

With travels to India and Norway in the early part of the year I did not get a chance to do astrophotography until March. By then the winter Milky Way and its nebulae were descending in the western sky and we were into 'galaxy season'. Most galaxies appear rather small at the focal length (600mm) of my refractor. That, together with the likelyhood of impending Trump tarrifs on telescopes from Japan gave an excuse to buy a new long focal length (2000mm) telescope; a Celestron C8 EDGE. The three photos below show my first decent results with this 'scope', using a rig otherwise identical to the one above. My AM3 hendled the extra weight fine after the addition of a couterweight.

 


Pinwheel galaxy with added Ha
OSC no filter 6hrs at Bortle 2 site in Mojave Desert with added Ha using dual narrowband (7 nm Ha) filiter, 3 hrs in our driveway (Bortle 9).

 

 

Whirlpool galaxy
OSC no filter, 6hrs at Bortle 2 site in Mojave Desert
 

 


Crescent Nebula
Dual narrowband filter (7nm Ha and OIII) from our front driveway (Bortle 9)

 

 

First attempts at imaging some classic targets for beginning astrophotographers. As compared to landscape and wildlife photography there is a lot to learn of the technical aspects of both iage acquisition and post-processing.

 


Rosette Nebula
Ha narroband; 90 min integration; ZWO FF80 with reducer; taken from outside our front door.

 


Our first visit coincided with the new moon, and the skies were truly dark, so I could use the color astro camera without any filters..

   

 

 



   

 

The moon was near full during our second visit, so I used a dual narrowband filter to image emission nebulae while blocking the moonlight.

   

   

 

Processing with StarXterminator to highlight just the nabulae.

   

   






IanParker
1146 McGaugh Hall
University of California,
Irvine, CA 92697

Please send enquiries to evanescentlightphotography@gmail.com

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