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m105/ngc3384/ngc3389

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Object Notes:
  • Constellation: Leo
  • m105
    • Location: RA: 10h 47m 48s Dec: 12d 35' 00" Epoch 2000
    • Size: 5.4 x 4.8 arc-minutes
    • Magnitude: 9.3
    • Type: Elliptical
    • AKA: ngc3379
  • ngc3384
    • Location: RA: 10h 48m 18s Dec: 12d 38' 00" Epoch 2000
    • Size: 5.4 x 2.7 arc-minutes
    • Magnitude: 10.9
    • Type: Elliptical
    • AKA: ngc3371
  • ngc3389
    • Location: RA: 10h 48m 30s Dec: 12d 32' 00" Epoch 2000
    • Size: 2.9 x 1.3 arc-minutes
    • Magnitude: 11.9
    • Type: Spiral
    • AKA: ngc3373
Instrument:
Ritchey-Chretien 32" Telescope
Focal Ratio:
f7.2 (prime focus)
Camera:
SBIG STL-11000 CCD camera
(See product review in July, 2004 issue of Sky & Telescope magazine.)
Exposure:
10 x 5 minutes Luminance unbinned
5 x 5 minutes each R/G/B unbinned
Guiding:
Off-Axis with STV Autoguider (Santa Barbara Instrument Group)
(See product review in May, 2003 issue of Astronomy magazine.)
See Photo/Guiding Equipment.
Date:
2/21/06
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS