[AZ-Observing] Re: M16 - Hubble Palette

  • From: "Lucia Wheele" <nyclady@xxxxxxx>
  • To: <az-observing@xxxxxxxxxxxxx>
  • Date: Sat, 31 Aug 2013 14:26:19 -0700

please take my off email list

nyclady@xxxxxxx



Lucia Wheele


-----Original Message----- 
From: Henry DeJonge
Sent: Monday, July 22, 2013 4:25 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: M16 - Hubble Palette

Beautiful detail and colors-thank you.

Henry De Jonge IV
480-926-1000 office
602-206-1752 cell
hdejonge@xxxxxxx

-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Wiles
Sent: Monday, July 22, 2013 4:00 PM
To: AZ-Observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] M16 - Hubble Palette

With a portable imaging rig and the difficulties that come with deep sky
imaging during the monsoon season - M16 had always been at the top of my
list of things to image.  Until this year, I'd not been able to do it.  Now
that I have my equipment set up remotely, I was able to start imaging this
target as soon as it was getting high enough above the horizon as far back
as early May - even if it was just one frame per night.  I was able to
finish the image in mid-June and started processing.
This image is a total of 37 hours of exposure time shot in the standard
Hubble palette:

Red = Sulfur II filter (3nm) - 12 exposures @ 60 minutes each
Green = Hydrogen Alpha filter (3nm) - 13 exposures @ 60 minutes each
Blue = Oxygen III filter (3nm) - 12 exposures @ 60 minutes each

All images were captured with an Explore Scientific ED152CF f/8 triplet and
an SBIG ST-8300 CCD camera in Benson, AZ.  All image processing from
calibration to final post-processing was done in PixInsight v1.8 RC7.  I
was really happy with the end result considering that by the time I took
the last few frames, thermal noise was becoming an issue with the
encroaching summer temperatures.

Comments and criticisms are always welcomed.  Thanks for looking.

M16 - Small Image w/capture details <http://www.astrobin.com/46647/>

M16 - Full Screen Sized Image <http://www.astrobin.com/full/46647/?mod=none>

M16 - Full 8 megapixel resolution
image<http://www.astrobin.com/full/46647/0/?mod=none&real=>

Mike


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