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Image Information

 

Object

 

M 16, The Eagle Nebula

Coordinates   RA:  18 19.1 Dec: -13 49 42 Camera PA: 4.0
Imaging by   Greg Morgan
Date(s)   July 2008; Processed September 2, 2009

Optics

 

RCOS 12.5 inch f/9 Ritchey-Chrétien with a 2,857mm focal length

Mount

 

Paramount ME

Camera

 

Apogee Alta U16M, 9 micron 4098 x 4098 pixels

Guiding

 

Off-axis with the Astrodon Monster MOAG and SBIG ST-402XM

Field Scale

 

0.64 arcseconds / pixel

FOV

 

N is up, E is to the left

Chip Temp

 

-15 C

Filter(s)

 

Astrodon LRGB Gen 2

Location

 

Sierra Remote Observatories, Shaver Lake California 4,610 feet

Exposure(s)

 

Ha = 10, OIII = 6, SII = 10 x 1800 seconds (11 Hours Total)

Binning

 

1x1

Camera control

 

MaxIm DL 4 / CCDAutopilot 3

Processing software

 

CCDStack, Photoshop CS2

Image notes

 

This image is limited to narrowband channels only.  No RGB has been added.  The NB filters are 5nm each; Ha, OIII and SII.<

 
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