astroimages
Darin E. Fields' Astrophotography Pages
 

M65, M66, and NGC 3628: The Leo Triplet

M65:
Right Ascension 11 : 18.9 (h:m)
Declination +13 : 05 (deg:m)
Distance 35000 (kly)
Visual Brightness 9.3 (mag)
Apparent Dimension 8x1.5 (arc min)

M66:
Right Ascension 11 : 20.2 (h:m)
Declination +12 : 59 (deg:m)
Distance 35000 (kly)
Visual Brightness 8.9 (mag)
Apparent Dimension 8x2.5 (arc min)

NGC 3628:
Right Ascension: 11 : 20.3 (hours : minutes)
Declination: +13 : 36 (degrees : minutes)
Apparent Magnitude: 9.5
Apparent Diameter: 14.8 (arc minutes)
More information on the M66 group

M65

Exposure:LRGB L=20min (20x60sec), R=10 min (2x5 min.), G=10 min (2x5 min.), B=10 min (2x5 min.)
Camera:ST-237 cooled @ -30c
Guiding:ST-4 on f/11 90mm
Telescope:F/4 8" Newtonian.
Mount: Losmandy G-11
Processing:Maxim/DL and Photoshop 6.0
Date:02-14-02
m65-ddp:

M66

Exposure:LRGB L=25min (50x30sec), R=6 min (3x2 min.), G=6 min (3x2 min.), B=6 min (3x2 min.)
Camera:ST-237 cooled @ -30c
Guiding:ST-4 on f/11 90mm
Telescope:F/4 8" Newtonian.
Mount: Losmandy G-11
Processing:Maxim/DL and Photoshop 6.0
Date:02-23-02
m66-ddp1:

NGC 3628

Exposure:55 minute LRGB L=25min (15x60sec and 5 x 120sec), R=10 min (5x2 min.), G=10 min (5x2 min.), B=10 min (5x2 min.)
Camera:ST-237 cooled @ -25c
Guiding:ST-4 on f/11 90mm
Telescope:F/4 8" Newtonian.
Mount: Losmandy G-11
Processing:Maxim/DL and Photoshop 6.0
Date:03-06-02
ngc3628rgb-3:

Exposure:LRGB L=20min (10x120sec), R=15 min (3x5 min.), G=15 min (3x5 min.), B= 15 min (3x5 min.)
Camera:ST-237 cooled @ -25c
Guiding:ST-4 on f/11 90mm
Telescope:F/5 ST-80.
Mount: Losmandy G-11
Processing:Maxim/DL and Photoshop 6.0
Date:02-09-02
m66lrgb-3a:

Exposure: Mosaic frame made with luminance channel from M65 and M66 shot plus a 16 minute (8 x 120sec) exposure of NGC 3628. The two frames were then combined and reduced slightly in PS 6.0
Date:02-09-02
leotrip3: