NGC 691 Group
  

NGC680LRGB(600).jpg (138313 bytes)

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NGC680LRGB(600)Map.jpg (148090 bytes)

NGC 691
Object Type:
Spiral galaxy
Constellation:
Aries
Magnitude:
11.5
Size:
3.4' x 2.5'
NGC 680
Object Type:
Spiral galaxy
Constellation:
Aries
Magnitude:
11.9
Size:
1.8' x 1.6'
NGC 678
Object Type:
Spiral galaxy
Constellation:
Aries
Magnitude:
12.5
Size:
4.5' x 0.8'
NGC 697
Object Type:
Spiral galaxy
Constellation:
Aries
Magnitude:
12.0
Size:
4.0' x 1.3'

Equipment: Vixen 102-ED/TS Optics field flattener/ST-10XME/Astrodon LRGB filters/Paramount ME
F-ratio:
f/6.5
Exposure:
LRGB: 10 minute exposures; RGB binned 2x2
Date:
November 27, December 4, December 31, 2010, January 7 and 8, 2011
Location:
Landers, California, USA
Technical Notes:
The individual exposures were sigma combined. The RGB composite was made using Registar 1.0, and the LRGB image composited in Photoshop. Reduce Noise was applied to the luminance and RGB images and Gaussian Blur was applied to the RGB image.

NGC691GroupLRGB_700.jpg (48849 bytes)

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Equipment: Meade 14" LX200R/STL-11000M/Astrodon LRGB filters/Paramount ME
F-ratio: f/9.5
Exposures: LRGB: L 41 x 20 minutes, binned 2x2: R 30 x 20 minutes: G 28 x 20 minutes: B 30 x 20 minutes: RGB binned 3x3
Date: November 14-16, 19, 21, 23-27, 2014
Location:
 Landers, California, USA

 

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