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                             NGC 2403                          

 

 

Click here or on the image for a 1600 x 1200 pixels view, ~1.2 MB.

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Image Information

Object

NGC 2403

Coordinates RA:  07 36 54.2 Dec: +65 36 52 Camera PA: 16.1
Imaging by Greg Morgan
Date(s) February 15 & 17, 2010

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

39 arc minutes wide, N is down, E is to the right.

Chip Temp

-25 C

Filter(s)

Astrodon LRGB

Location

Sierra Remote Observatories, Shaver Lake California 4,610 feet

Exposure(s)

L = 20, R = 6, G = 6, B = 6 x 1800 seconds (19 Hours Total)

Binning

1x1

Software

CCDAutopilot 4, MaxIm DL/CCD, TheSky 6, CCDStack with CCDIS-p registration, Photoshop CS4, Russell Croman's 64-bit GradientXTerminator, 64-bit plug-in for Neat Image Pro.

Image notes

The humidity was about 70%.  The seeing quality at the site was excellent.  Shown here is the sub-arc second seeing data for the evening of the 17th and the morning of the 18th.

 

 

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